shoc-backend/SeaHaven.DataServices/Implementation/VendorDataService.cs
Alexandre Brandizzi 67089c2135
SH-281: group vendor directory by company (#115)
* feat(vendors): group directory by company

* style(vendors): format company directory query

* fix(vendors): preserve technician list contract
2026-09-15 16:02:44 -03:00

1283 lines
56 KiB
C#

using Data.SeaHavenIndustries;
using Microsoft.EntityFrameworkCore;
using System.Linq.Expressions;
using System.Reflection;
using SeaHaven.DataServices.Interfaces;
using SeaHaven.DataServices.Models;
namespace SeaHaven.DataServices.Implementation
{
public class VendorDataService : IVendorDataService
{
private readonly ApplicationDbContext _context;
public VendorDataService(ApplicationDbContext context)
{
_context = context;
}
public async Task<Vendor?> GetByIdAsync(int id)
{
return await _context.Vendors.FirstOrDefaultAsync(v => v.Id == id);
}
public async Task<Vendor?> GetByIdWithDetailsAsync(int id)
{
return await ProjectWithTotalJobs(
_context.Vendors
.AsNoTracking()
.Where(v => v.Id == id))
.FirstOrDefaultAsync();
}
public async Task<IReadOnlyList<Vendor>> GetByIdsOrderedAsync(IReadOnlyCollection<int> ids, CancellationToken cancellationToken)
{
var orderedIds = ids.Distinct().ToList();
if (orderedIds.Count == 0)
return Array.Empty<Vendor>();
var loaded = await _context.Vendors
.AsNoTracking()
.Where(v => orderedIds.Contains(v.Id))
.ToListAsync(cancellationToken);
var byId = loaded.ToDictionary(v => v.Id);
var ordered = new List<Vendor>(orderedIds.Count);
foreach (var id in orderedIds)
{
if (byId.TryGetValue(id, out var vendor))
ordered.Add(vendor);
}
return ordered;
}
public async Task<IEnumerable<Vendor>> GetAllAsync()
{
return await _context.Vendors.ToListAsync();
}
public async Task<IReadOnlyList<Vendor>> GetActiveVendorsAsync(CancellationToken cancellationToken)
{
return await _context.Vendors
.AsNoTracking()
.Where(v => v.IsActive)
.OrderBy(v => v.CompanyName)
.ToListAsync(cancellationToken);
}
public async Task<IReadOnlyList<Trade>> GetActiveTradesAsync(CancellationToken cancellationToken)
{
return await _context.Trades
.AsNoTracking()
.Where(t => t.IsActive)
.OrderBy(t => t.SortOrder)
.ThenBy(t => t.Name)
.ToListAsync(cancellationToken);
}
internal IQueryable<VendorCompany> BuildCompaniesForFacetsQuery(bool? isActive)
{
var query = _context.VendorCompanies
.AsNoTracking();
if (isActive == true)
{
// Active: companies with zero non-deleted technicians (company-only rows)
// or at least one active non-deleted technician.
query = query.Where(c =>
!_context.Vendors.Any(v =>
v.CompanyId == c.Id && (v.IsDeleted == null || v.IsDeleted == false))
|| _context.Vendors.Any(v =>
v.CompanyId == c.Id
&& (v.IsDeleted == null || v.IsDeleted == false)
&& v.IsActive));
}
else if (isActive == false)
{
// Inactive: companies with at least one inactive non-deleted technician.
query = query.Where(c =>
_context.Vendors.Any(v =>
v.CompanyId == c.Id
&& (v.IsDeleted == null || v.IsDeleted == false)
&& !v.IsActive));
}
return query.OrderBy(c => c.Id);
}
public async Task<IReadOnlyList<VendorCompany>> GetCompaniesForFacetsAsync(bool? isActive, CancellationToken cancellationToken)
=> await BuildCompaniesForFacetsQuery(isActive).ToListAsync(cancellationToken);
public async Task<(IEnumerable<Vendor> Items, int TotalCount)> GetPagedAsync(
int page,
int pageSize,
string? search = null,
bool? isActive = true,
IReadOnlyCollection<string>? companies = null,
IReadOnlyCollection<string>? trades = null,
IReadOnlyCollection<string>? locations = null,
IReadOnlyCollection<string>? jobBuckets = null)
{
var projectedQuery = BuildDirectoryQuery(
search,
isActive,
companies,
trades,
locations,
jobBuckets);
var totalCount = await projectedQuery.CountAsync();
var items = await projectedQuery
.OrderByDescending(v => v.Id)
.Skip((page - 1) * pageSize)
.Take(pageSize)
.ToListAsync();
return (items, totalCount);
}
public async Task<(IReadOnlyList<VendorDirectoryRow> Items, int TotalCount)> GetDirectoryPagedAsync(
int page,
int pageSize,
string? search = null,
bool? isActive = true,
IReadOnlyCollection<string>? companies = null,
IReadOnlyCollection<string>? trades = null,
IReadOnlyCollection<string>? locations = null,
IReadOnlyCollection<string>? jobBuckets = null,
CancellationToken cancellationToken = default)
{
var filtered = BuildDirectoryUnionQuery(
search,
isActive,
companies,
trades,
locations,
jobBuckets);
var totalCount = await filtered.CountAsync(cancellationToken);
var items = await filtered
.OrderByDescending(row => row.VendorId.HasValue)
.ThenByDescending(row => row.VendorId ?? 0)
.ThenByDescending(row => row.CompanyId)
.Skip((page - 1) * pageSize)
.Take(pageSize)
.ToListAsync(cancellationToken);
return (items, totalCount);
}
public async Task<(IReadOnlyList<VendorCompanyGroup> Items, int TotalCount)> GetCompanyDirectoryPagedAsync(
int page,
int pageSize,
string? search = null,
bool? isActive = true,
IReadOnlyCollection<string>? companies = null,
IReadOnlyCollection<string>? trades = null,
IReadOnlyCollection<string>? locations = null,
IReadOnlyCollection<string>? jobBuckets = null,
CancellationToken cancellationToken = default)
{
// Phase 1: select and paginate bounded company group keys in SQL.
var keyQuery = BuildCompanyDirectoryKeysQuery(
search,
isActive,
companies,
trades,
locations,
jobBuckets);
var totalCount = await keyQuery.CountAsync(cancellationToken);
var pageKeys = await keyQuery
.OrderByDescending(key => key.MaxVendorId ?? -1)
.ThenByDescending(key => key.CompanyId)
.ThenBy(key => key.NameKey)
.ThenBy(key => key.VendorKey)
.Skip((page - 1) * pageSize)
.Take(pageSize)
.ToListAsync(cancellationToken);
if (pageKeys.Count == 0)
return (Array.Empty<VendorCompanyGroup>(), totalCount);
// Phase 2: fetch the full status-eligible roster only for the page keys,
// without reapplying search/trade/location filters.
var rosterRows = await BuildCompanyDirectoryRosterQuery(isActive, pageKeys)
.ToListAsync(cancellationToken);
var rosterByKey = rosterRows
.GroupBy(row => (CompanyId: row.CompanyId ?? 0, row.NameKey, row.VendorKey))
.ToDictionary(group => group.Key, group => group.OrderByDescending(row => row.VendorId).ToList());
var missingCompanyIds = pageKeys
.Where(key => key.CompanyId != 0)
.Where(key => !rosterByKey.ContainsKey((key.CompanyId, key.NameKey, key.VendorKey)))
.Select(key => key.CompanyId)
.Distinct()
.ToList();
var companiesById = missingCompanyIds.Count == 0
? new Dictionary<int, VendorCompany>()
: await _context.VendorCompanies
.AsNoTracking()
.Where(c => missingCompanyIds.Contains(c.Id))
.ToDictionaryAsync(c => c.Id, cancellationToken);
// Assemble groups in the page key order so the response preserves the
// SQL-selected page order.
var groups = new List<VendorCompanyGroup>(pageKeys.Count);
foreach (var key in pageKeys)
{
if (rosterByKey.TryGetValue((key.CompanyId, key.NameKey, key.VendorKey), out var technicians))
{
groups.Add(BuildTechnicianGroup(technicians, search));
}
else if (companiesById.TryGetValue(key.CompanyId, out var company))
{
groups.Add(BuildCompanyOnlyGroup(company));
}
}
return (groups, totalCount);
}
private static VendorCompanyGroup BuildTechnicianGroup(
IReadOnlyList<VendorDirectoryRosterRow> techniciansNewestFirst,
string? search)
{
var primary = techniciansNewestFirst[0];
// Primary is the newest VendorId by default; a nonblank search that matches
// a non-primary technician's ContactName, email, Phone, or
// TradeSpecialties promotes the newest matching technician. Company-level
// matches (e.g. company name or location) never reorder.
if (!string.IsNullOrWhiteSpace(search))
{
var normalizedSearch = search.ToLower();
primary = techniciansNewestFirst.FirstOrDefault(row =>
((row.ContactName ?? "").ToLower().Contains(normalizedSearch)) ||
((row.Email ?? "").ToLower().Contains(normalizedSearch)) ||
((row.Phone ?? "").ToLower().Contains(normalizedSearch)) ||
((row.TradeSpecialties ?? "").ToLower().Contains(normalizedSearch)))
?? techniciansNewestFirst[0];
}
var linked = primary.CompanyId != null;
var hasCompanyLocation = linked && (
!string.IsNullOrWhiteSpace(primary.CompanyCity) ||
!string.IsNullOrWhiteSpace(primary.CompanyState) ||
!string.IsNullOrWhiteSpace(primary.CompanyAddress));
return new VendorCompanyGroup
{
Id = primary.VendorId,
CompanyId = primary.CompanyId,
CompanyName = linked ? primary.CanonicalCompanyName : primary.CompanyName,
ContactName = primary.ContactName,
Email = linked ? primary.CompanyEmail : primary.Email,
Phone = primary.Phone,
CompanyPhone = linked && !string.IsNullOrWhiteSpace(primary.CompanyPhone)
? primary.CompanyPhone
: primary.VendorCompanyPhone,
PreferredContact = primary.PreferredContact,
Address = linked && !string.IsNullOrWhiteSpace(primary.CompanyAddress)
? primary.CompanyAddress
: primary.Address,
City = hasCompanyLocation ? primary.CompanyCity : primary.City,
State = hasCompanyLocation ? primary.CompanyState : primary.State,
Zip = primary.Zip,
TradeSpecialties = AggregateTradeTokens(techniciansNewestFirst),
GoogleMapsUrl = primary.GoogleMapsUrl,
Notes = linked ? primary.CompanyNotes : null,
IsActive = primary.IsActive,
TotalJobs = techniciansNewestFirst.Sum(row => row.TotalJobs),
Technicians = techniciansNewestFirst.Select(row => new VendorCompanyGroupTechnician
{
Id = row.VendorId,
ContactName = row.ContactName,
Email = row.Email,
Phone = row.Phone,
PreferredContact = row.PreferredContact,
TradeSpecialties = row.TradeSpecialties,
IsActive = row.IsActive,
TotalJobs = row.TotalJobs
}).ToList()
};
}
// Distinct trade CSV tokens case-insensitively, preserving the first displayed
// spelling and order (technicians are listed newest VendorId first).
private static string? AggregateTradeTokens(IEnumerable<VendorDirectoryRosterRow> techniciansNewestFirst)
{
var seen = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
var tokens = new List<string>();
foreach (var row in techniciansNewestFirst)
{
if (string.IsNullOrWhiteSpace(row.TradeSpecialties))
continue;
foreach (var token in row.TradeSpecialties.Split(',', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries))
{
if (seen.Add(token))
tokens.Add(token);
}
}
return tokens.Count == 0 ? null : string.Join(", ", tokens);
}
private static VendorCompanyGroup BuildCompanyOnlyGroup(VendorCompany company) => new()
{
Id = null,
CompanyId = company.Id,
CompanyName = company.Name,
ContactName = null,
Email = company.Email,
Phone = null,
CompanyPhone = company.CompanyPhone,
PreferredContact = null,
Address = company.Address,
City = company.City,
State = company.State,
Zip = company.Zip,
TradeSpecialties = null,
GoogleMapsUrl = company.GoogleMapsUrl,
Notes = company.Notes,
IsActive = true,
TotalJobs = 0,
Technicians = Array.Empty<VendorCompanyGroupTechnician>()
};
internal IQueryable<VendorCompanyGroupKeyRow> BuildCompanyDirectoryKeysQuery(
string? search = null,
bool? isActive = true,
IReadOnlyCollection<string>? companies = null,
IReadOnlyCollection<string>? trades = null,
IReadOnlyCollection<string>? locations = null,
IReadOnlyCollection<string>? jobBuckets = null)
{
var sourceRows = BuildDirectoryUnionBaseQuery(isActive)
.Select(BuildGroupSourceRowSelector(search, companies, trades, locations));
var grouped = sourceRows
.GroupBy(row => new { row.CompanyId, row.NameKey, row.VendorKey })
.Select(group => new VendorCompanyGroupKeyRow
{
CompanyId = group.Key.CompanyId,
NameKey = group.Key.NameKey,
VendorKey = group.Key.VendorKey,
MaxVendorId = group.Max(row => row.VendorId),
TotalJobs = group.Sum(row => row.TotalJobs),
SearchMatch = group.Max(row => row.SearchFlag),
CompanyMatch = group.Max(row => row.CompanyFlag),
TradeMatch = group.Max(row => row.TradeFlag),
LocationMatch = group.Max(row => row.LocationFlag)
});
// Each facet selects the group when any status-eligible row matches it
// (OR within a facet, AND across facets); job buckets apply to the summed
// per-technician TotalJobs of the whole company.
if (!string.IsNullOrWhiteSpace(search))
grouped = grouped.Where(key => key.SearchMatch == 1);
var selectedCompanies = companies?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray();
if (selectedCompanies is { Length: > 0 })
grouped = grouped.Where(key => key.CompanyMatch == 1);
var selectedTrades = trades?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray();
if (selectedTrades is { Length: > 0 })
grouped = grouped.Where(key => key.TradeMatch == 1);
var selectedLocations = locations?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray();
if (selectedLocations is { Length: > 0 })
grouped = grouped.Where(key => key.LocationMatch == 1);
var selectedJobBuckets = jobBuckets?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray();
if (selectedJobBuckets is not { Length: > 0 })
return grouped;
var under50 = selectedJobBuckets.Contains("under-50");
var from50To99 = selectedJobBuckets.Contains("50-99");
var from100To149 = selectedJobBuckets.Contains("100-149");
var from150 = selectedJobBuckets.Contains("150-plus");
return grouped.Where(key =>
(under50 && key.TotalJobs < 50) ||
(from50To99 && key.TotalJobs >= 50 && key.TotalJobs <= 99) ||
(from100To149 && key.TotalJobs >= 100 && key.TotalJobs <= 149) ||
(from150 && key.TotalJobs >= 150));
}
private static Expression<Func<VendorDirectoryRow, VendorDirectoryGroupSourceRow>> BuildGroupSourceRowSelector(
string? search,
IReadOnlyCollection<string>? companies,
IReadOnlyCollection<string>? trades,
IReadOnlyCollection<string>? locations)
{
var row = Expression.Parameter(typeof(VendorDirectoryRow), "row");
var selectedCompanies = companies?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray();
var selectedTrades = trades?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray();
var selectedLocations = locations?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray();
static Expression Flag(Expression? matchBody) =>
matchBody is null
? Expression.Constant(1)
: Expression.Condition(matchBody, Expression.Constant(1), Expression.Constant(0));
var searchBody = string.IsNullOrWhiteSpace(search)
? null
: BuildSearchMatchBody(row, search.ToLower());
var companyBody = selectedCompanies is { Length: > 0 }
? BuildCompanyNameMatchBody(row, selectedCompanies)
: null;
var tradeBody = selectedTrades is { Length: > 0 }
? BuildTradeMatchBody<VendorDirectoryRow>(row, selectedTrades)
: null;
var locationBody = selectedLocations is { Length: > 0 }
? BuildLocationMatchBody<VendorDirectoryRow>(row, selectedLocations)
: null;
var nameKey = Expression.Condition(
Expression.NotEqual(
Expression.Property(row, nameof(VendorDirectoryRow.CompanyId)),
Expression.Constant(0)),
Expression.Constant(string.Empty),
LowerTrimmed(row, nameof(VendorDirectoryRow.CompanyName)));
var nameMissing = Expression.Equal(
Expression.Call(
CoalescedOrEmpty(row, nameof(VendorDirectoryRow.CompanyName)),
nameof(string.Trim),
Type.EmptyTypes),
Expression.Constant(string.Empty));
var vendorKey = Expression.Condition(
Expression.AndAlso(
Expression.Equal(
Expression.Property(row, nameof(VendorDirectoryRow.CompanyId)),
Expression.Constant(0)),
nameMissing),
Expression.Coalesce(
Expression.Property(row, nameof(VendorDirectoryRow.VendorId)),
Expression.Constant(0)),
Expression.Constant(0));
MemberBinding Bind(string target, Expression value) =>
Expression.Bind(typeof(VendorDirectoryGroupSourceRow).GetProperty(target)!, value);
return Expression.Lambda<Func<VendorDirectoryRow, VendorDirectoryGroupSourceRow>>(
Expression.MemberInit(
Expression.New(typeof(VendorDirectoryGroupSourceRow)),
Bind(nameof(VendorDirectoryGroupSourceRow.VendorId),
Expression.Property(row, nameof(VendorDirectoryRow.VendorId))),
Bind(nameof(VendorDirectoryGroupSourceRow.CompanyId),
Expression.Property(row, nameof(VendorDirectoryRow.CompanyId))),
Bind(nameof(VendorDirectoryGroupSourceRow.NameKey), nameKey),
Bind(nameof(VendorDirectoryGroupSourceRow.VendorKey), vendorKey),
Bind(nameof(VendorDirectoryGroupSourceRow.TotalJobs),
Expression.Property(row, nameof(VendorDirectoryRow.TotalJobs))),
Bind(nameof(VendorDirectoryGroupSourceRow.SearchFlag), Flag(searchBody)),
Bind(nameof(VendorDirectoryGroupSourceRow.CompanyFlag), Flag(companyBody)),
Bind(nameof(VendorDirectoryGroupSourceRow.TradeFlag), Flag(tradeBody)),
Bind(nameof(VendorDirectoryGroupSourceRow.LocationFlag), Flag(locationBody))),
row);
}
internal IQueryable<VendorDirectoryRosterRow> BuildCompanyDirectoryRosterQuery(
bool? isActive,
IReadOnlyList<VendorCompanyGroupKeyRow> keys)
{
var vendors = _context.Vendors
.AsNoTracking()
.Where(v => v.IsDeleted == null || v.IsDeleted == false);
if (isActive.HasValue)
vendors = vendors.Where(v => v.IsActive == isActive.Value);
var rows = vendors.Select(v => new VendorDirectoryRosterRow
{
VendorId = v.Id,
CompanyId = v.CompanyId,
CompanyName = v.Company != null ? v.Company.Name : v.CompanyName,
CanonicalCompanyName = v.Company != null ? v.Company.Name : null,
CompanyEmail = v.Company != null ? v.Company.Email : null,
CompanyPhone = v.Company != null ? v.Company.CompanyPhone : null,
CompanyAddress = v.Company != null ? v.Company.Address : null,
CompanyCity = v.Company != null ? v.Company.City : null,
CompanyState = v.Company != null ? v.Company.State : null,
CompanyNotes = v.Company != null ? v.Company.Notes : null,
ContactName = v.ContactName,
Email = v.Email,
Phone = v.Phone,
PreferredContact = v.PreferredContact,
VendorCompanyPhone = v.CompanyPhone,
Address = v.Address,
City = v.City,
State = v.State,
Zip = v.Zip,
TradeSpecialties = v.TradeSpecialties,
GoogleMapsUrl = v.GoogleMapsUrl,
IsActive = v.IsActive,
TotalJobs = _context.Dispatches
.Where(dispatch =>
dispatch.VendorId == v.Id &&
dispatch.WorkOrderId.HasValue)
.Select(dispatch => dispatch.WorkOrderId!.Value)
.Union(
_context.DispatchWorkOrders
.Where(link => link.Dispatch != null && link.Dispatch.VendorId == v.Id)
.Select(link => link.WorkOrderId))
.Count(),
NameKey = v.CompanyId != null
? ""
: (v.CompanyName ?? "").Trim().ToLower(),
VendorKey = v.CompanyId == null && (v.CompanyName ?? "").Trim() == ""
? v.Id
: 0
});
return rows.Where(BuildRosterKeyPredicate(keys));
}
private static Expression<Func<VendorDirectoryRosterRow, bool>> BuildRosterKeyPredicate(
IReadOnlyList<VendorCompanyGroupKeyRow> keys)
{
var row = Expression.Parameter(typeof(VendorDirectoryRosterRow), "row");
Expression? body = null;
foreach (var key in keys)
{
Expression keyMatch;
if (key.CompanyId != 0)
{
keyMatch = Expression.Equal(
Expression.Property(row, nameof(VendorDirectoryRosterRow.CompanyId)),
Expression.Constant(key.CompanyId, typeof(int?)));
}
else if (key.NameKey.Length > 0)
{
keyMatch = Expression.AndAlso(
Expression.Equal(
Expression.Property(row, nameof(VendorDirectoryRosterRow.CompanyId)),
Expression.Constant(null, typeof(int?))),
Expression.Equal(
Expression.Property(row, nameof(VendorDirectoryRosterRow.NameKey)),
Expression.Constant(key.NameKey)));
}
else
{
keyMatch = Expression.Equal(
Expression.Property(row, nameof(VendorDirectoryRosterRow.VendorId)),
Expression.Constant(key.VendorKey));
}
body = OrElse(body, keyMatch);
}
return Expression.Lambda<Func<VendorDirectoryRosterRow, bool>>(
body ?? Expression.Constant(false),
row);
}
internal IQueryable<VendorDirectoryRow> BuildDirectoryUnionQuery(
string? search = null,
bool? isActive = true,
IReadOnlyCollection<string>? companies = null,
IReadOnlyCollection<string>? trades = null,
IReadOnlyCollection<string>? locations = null,
IReadOnlyCollection<string>? jobBuckets = null) =>
ApplyDirectoryRowFilters(
BuildDirectoryUnionBaseQuery(isActive),
search,
companies,
trades,
locations,
jobBuckets);
private IQueryable<VendorDirectoryRow> BuildDirectoryUnionBaseQuery(bool? isActive = true)
{
// Arm A: existing per-technician rows (every non-deleted vendor, including
// those with no company). Notes come from the linked VendorCompany.
var perTechnician = _context.Vendors
.AsNoTracking()
.Where(v => v.IsDeleted == null || v.IsDeleted == false);
if (isActive.HasValue)
perTechnician = perTechnician.Where(v => v.IsActive == isActive.Value);
// Pre-aggregate distinct work-order assignments per technician before
// grouping companies. This keeps the outer company SUM over a plain
// joined scalar instead of SUM(COUNT(correlated subquery)), which SQL
// Server rejects at execution time.
var directWorkOrders = _context.Dispatches
.Where(dispatch => dispatch.WorkOrderId.HasValue)
.Select(dispatch => new
{
dispatch.VendorId,
WorkOrderId = dispatch.WorkOrderId!.Value
});
var linkedWorkOrders = _context.DispatchWorkOrders
.Where(link => link.Dispatch != null)
.Select(link => new
{
VendorId = link.Dispatch!.VendorId,
link.WorkOrderId
});
var jobCounts = directWorkOrders
.Union(linkedWorkOrders)
.GroupBy(assignment => assignment.VendorId)
.Select(group => new
{
VendorId = group.Key,
TotalJobs = group.Count()
});
var armA =
from v in perTechnician
join jobCount in jobCounts on v.Id equals jobCount.VendorId into vendorJobCounts
from jobCount in vendorJobCounts.DefaultIfEmpty()
select new VendorDirectoryRow
{
VendorId = v.Id,
CompanyId = v.CompanyId ?? 0,
CompanyName = v.Company != null ? v.Company.Name : v.CompanyName,
ContactName = v.ContactName,
Email = v.Email != null && v.Email.Trim() != ""
? v.Email
: v.Company != null
? v.Company.Email
: v.Email,
Phone = v.Phone,
CompanyPhone = v.Company != null &&
v.Company.CompanyPhone != null && v.Company.CompanyPhone.Trim() != ""
? v.Company.CompanyPhone
: v.CompanyPhone,
PreferredContact = v.PreferredContact,
Address = v.Company != null &&
v.Company.Address != null && v.Company.Address.Trim() != ""
? v.Company.Address
: v.Address,
City = v.Company != null &&
((v.Company.City != null && v.Company.City.Trim() != "") ||
(v.Company.State != null && v.Company.State.Trim() != "") ||
(v.Company.Address != null && v.Company.Address.Trim() != ""))
? v.Company.City
: v.City,
State = v.Company != null &&
((v.Company.City != null && v.Company.City.Trim() != "") ||
(v.Company.State != null && v.Company.State.Trim() != "") ||
(v.Company.Address != null && v.Company.Address.Trim() != ""))
? v.Company.State
: v.State,
Zip = v.Zip,
TradeSpecialties = v.TradeSpecialties,
GoogleMapsUrl = v.GoogleMapsUrl,
Notes = v.Company != null ? v.Company.Notes : null,
IsActive = v.IsActive,
TotalJobs = (int?)jobCount.TotalJobs ?? 0
};
// Arm B: company-only rows for companies with zero non-deleted technicians.
// These carry a null VendorId and a populated CompanyId. A company has no
// active/inactive flag of its own, so it is shown unless the caller explicitly
// asks for inactive vendors only.
var includeCompanyRows = !isActive.HasValue || isActive.Value;
var union = armA;
if (includeCompanyRows)
{
var armB = _context.VendorCompanies
.AsNoTracking()
.Where(c => !_context.Vendors
.Any(v => v.CompanyId == c.Id && (v.IsDeleted == null || v.IsDeleted == false)))
.Select(c => new VendorDirectoryRow
{
VendorId = (int?)null,
CompanyId = c.Id,
CompanyName = c.Name,
ContactName = null,
Email = c.Email,
Phone = null,
CompanyPhone = c.CompanyPhone,
PreferredContact = null,
Address = c.Address,
City = c.City,
State = c.State,
Zip = c.Zip,
TradeSpecialties = null,
GoogleMapsUrl = c.GoogleMapsUrl,
Notes = c.Notes,
IsActive = true,
TotalJobs = 0
});
union = armA.Concat(armB);
}
return union;
}
// Same matching rules the directory has always applied to a projected row:
// company name, contact name, email, trades, canonical city/state, the
// canonical address only when city/state are both absent, and zip.
private static Expression BuildSearchMatchBody(ParameterExpression row, string normalizedSearch)
{
Expression ContainsLower(string propertyName)
{
var lowered = Expression.Call(
CoalescedOrEmpty(row, propertyName),
nameof(string.ToLower),
Type.EmptyTypes);
return Contains(lowered, Expression.Constant(normalizedSearch));
}
var cityBlank = IsBlank(Expression.Property(row, nameof(VendorDirectoryRow.City)));
var stateBlank = IsBlank(Expression.Property(row, nameof(VendorDirectoryRow.State)));
Expression? body = null;
body = OrElse(body, ContainsLower(nameof(VendorDirectoryRow.CompanyName)));
body = OrElse(body, ContainsLower(nameof(VendorDirectoryRow.ContactName)));
body = OrElse(body, ContainsLower(nameof(VendorDirectoryRow.Email)));
body = OrElse(body, ContainsLower(nameof(VendorDirectoryRow.TradeSpecialties)));
body = OrElse(body, ContainsLower(nameof(VendorDirectoryRow.City)));
body = OrElse(body, ContainsLower(nameof(VendorDirectoryRow.State)));
body = OrElse(body, Expression.AndAlso(
Expression.AndAlso(cityBlank, stateBlank),
ContainsLower(nameof(VendorDirectoryRow.Address))));
body = OrElse(body, ContainsLower(nameof(VendorDirectoryRow.Zip)));
return body!;
}
private static Expression BuildCompanyNameMatchBody(
ParameterExpression row,
IReadOnlyCollection<string> selectedCompanies)
{
var lowered = Expression.Call(
CoalescedOrEmpty(row, nameof(VendorDirectoryRow.CompanyName)),
nameof(string.ToLower),
Type.EmptyTypes);
return Expression.Call(
typeof(Enumerable),
nameof(Enumerable.Contains),
new[] { typeof(string) },
Expression.Constant(selectedCompanies),
lowered);
}
private static Expression CoalescedOrEmpty(ParameterExpression row, string propertyName) =>
Expression.Coalesce(
Expression.Property(row, propertyName),
Expression.Constant(string.Empty));
private static Expression LowerTrimmed(ParameterExpression row, string propertyName) =>
Expression.Call(
Expression.Call(
CoalescedOrEmpty(row, propertyName),
nameof(string.Trim),
Type.EmptyTypes),
nameof(string.ToLower),
Type.EmptyTypes);
private static IQueryable<VendorDirectoryRow> ApplyDirectoryRowFilters(
IQueryable<VendorDirectoryRow> query,
string? search,
IReadOnlyCollection<string>? companies,
IReadOnlyCollection<string>? trades,
IReadOnlyCollection<string>? locations,
IReadOnlyCollection<string>? jobBuckets)
{
if (!string.IsNullOrWhiteSpace(search))
{
var normalizedSearch = search.ToLower();
query = query.Where(row =>
(row.CompanyName ?? "").ToLower().Contains(normalizedSearch) ||
(row.ContactName ?? "").ToLower().Contains(normalizedSearch) ||
(row.Email ?? "").ToLower().Contains(normalizedSearch) ||
(row.TradeSpecialties ?? "").ToLower().Contains(normalizedSearch) ||
(row.City ?? "").ToLower().Contains(normalizedSearch) ||
(row.State ?? "").ToLower().Contains(normalizedSearch) ||
(((row.City == null || row.City.Trim() == "") &&
(row.State == null || row.State.Trim() == "")) &&
(row.Address ?? "").ToLower().Contains(normalizedSearch)) ||
(row.Zip ?? "").ToLower().Contains(normalizedSearch));
}
var selectedCompanies = companies?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray() ?? Array.Empty<string>();
if (selectedCompanies.Length > 0)
query = query.Where(row =>
selectedCompanies.Contains((row.CompanyName ?? "").ToLower()));
var selectedTrades = trades?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray() ?? Array.Empty<string>();
if (selectedTrades.Length > 0)
query = query.Where(BuildTradePredicate<VendorDirectoryRow>(selectedTrades));
var selectedLocations = locations?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray() ?? Array.Empty<string>();
if (selectedLocations.Length > 0)
query = query.Where(BuildLocationPredicate<VendorDirectoryRow>(selectedLocations));
var selectedJobBuckets = jobBuckets?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray() ?? Array.Empty<string>();
if (selectedJobBuckets.Length == 0)
return query;
var under50 = selectedJobBuckets.Contains("under-50");
var from50To99 = selectedJobBuckets.Contains("50-99");
var from100To149 = selectedJobBuckets.Contains("100-149");
var from150 = selectedJobBuckets.Contains("150-plus");
return query.Where(row =>
(under50 && row.TotalJobs < 50) ||
(from50To99 && row.TotalJobs >= 50 && row.TotalJobs <= 99) ||
(from100To149 && row.TotalJobs >= 100 && row.TotalJobs <= 149) ||
(from150 && row.TotalJobs >= 150));
}
internal IQueryable<Vendor> BuildDirectoryQuery(
string? search = null,
bool? isActive = true,
IReadOnlyCollection<string>? companies = null,
IReadOnlyCollection<string>? trades = null,
IReadOnlyCollection<string>? locations = null,
IReadOnlyCollection<string>? jobBuckets = null)
{
var query = _context.Vendors
.AsNoTracking()
.Where(v => v.IsDeleted == null || v.IsDeleted == false);
if (isActive.HasValue)
query = query.Where(v => v.IsActive == isActive.Value);
if (!string.IsNullOrWhiteSpace(search))
{
var normalizedSearch = search.ToLower();
query = query.Where(v =>
(v.CompanyName ?? "").ToLower().Contains(normalizedSearch) ||
(v.ContactName ?? "").ToLower().Contains(normalizedSearch) ||
(v.Email ?? "").ToLower().Contains(normalizedSearch) ||
(v.TradeSpecialties ?? "").ToLower().Contains(normalizedSearch) ||
(v.City ?? "").ToLower().Contains(normalizedSearch) ||
(v.State ?? "").ToLower().Contains(normalizedSearch) ||
(v.Zip ?? "").ToLower().Contains(normalizedSearch));
}
var selectedCompanies = companies?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray() ?? Array.Empty<string>();
if (selectedCompanies.Length > 0)
query = query.Where(v =>
selectedCompanies.Contains((v.CompanyName ?? "").ToLower()));
var selectedTrades = trades?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray() ?? Array.Empty<string>();
if (selectedTrades.Length > 0)
query = query.Where(BuildTradePredicate<Vendor>(selectedTrades));
var selectedLocations = locations?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray() ?? Array.Empty<string>();
if (selectedLocations.Length > 0)
query = query.Where(BuildLocationPredicate<Vendor>(selectedLocations));
var result = ProjectWithTotalJobs(query);
var selectedJobBuckets = jobBuckets?
.Where(value => !string.IsNullOrWhiteSpace(value))
.Select(value => value.Trim().ToLower())
.Distinct()
.ToArray() ?? Array.Empty<string>();
if (selectedJobBuckets.Length == 0)
return result;
var under50 = selectedJobBuckets.Contains("under-50");
var from50To99 = selectedJobBuckets.Contains("50-99");
var from100To149 = selectedJobBuckets.Contains("100-149");
var from150 = selectedJobBuckets.Contains("150-plus");
return result.Where(v =>
(under50 && v.TotalJobs < 50) ||
(from50To99 && v.TotalJobs >= 50 && v.TotalJobs <= 99) ||
(from100To149 && v.TotalJobs >= 100 && v.TotalJobs <= 149) ||
(from150 && v.TotalJobs >= 150));
}
private IQueryable<Vendor> ProjectWithTotalJobs(IQueryable<Vendor> query) =>
query.Select(v => new Vendor
{
Id = v.Id,
CompanyName = v.CompanyName,
CompanyId = v.CompanyId,
ContactName = v.ContactName,
Email = v.Email,
Phone = v.Phone,
CompanyPhone = v.CompanyPhone,
PreferredContact = v.PreferredContact,
Address = v.Address,
City = v.City,
State = v.State,
Zip = v.Zip,
TradeSpecialties = v.TradeSpecialties,
GoogleMapsUrl = v.GoogleMapsUrl,
Notes = v.Notes,
IsActive = v.IsActive,
IsDeleted = v.IsDeleted,
TotalJobs = _context.Dispatches
.Where(dispatch =>
dispatch.VendorId == v.Id &&
dispatch.WorkOrderId.HasValue)
.Select(dispatch => dispatch.WorkOrderId!.Value)
.Union(
_context.DispatchWorkOrders
.Where(link => link.Dispatch != null && link.Dispatch.VendorId == v.Id)
.Select(link => link.WorkOrderId))
.Count()
});
private static readonly MethodInfo StringConcatMethod =
typeof(string).GetMethod(nameof(string.Concat), new[] { typeof(string), typeof(string) })!;
private static Expression<Func<T, bool>> BuildTradePredicate<T>(
IReadOnlyCollection<string> selectedTrades)
{
var vendor = Expression.Parameter(typeof(T), "vendor");
return Expression.Lambda<Func<T, bool>>(
BuildTradeMatchBody<T>(vendor, selectedTrades),
vendor);
}
private static Expression BuildTradeMatchBody<T>(
ParameterExpression vendor,
IReadOnlyCollection<string> selectedTrades)
{
var specialties = Expression.Coalesce(
Expression.Property(vendor, nameof(Vendor.TradeSpecialties)),
Expression.Constant(string.Empty));
var lowered = Expression.Call(specialties, nameof(string.ToLower), Type.EmptyTypes);
var delimiters = new[] { ", ", "," };
Expression? body = null;
foreach (var trade in selectedTrades)
{
var token = Expression.Constant(trade);
body = OrElse(body, Expression.Equal(lowered, token));
foreach (var delimiter in delimiters)
{
var delim = Expression.Constant(delimiter);
var tokenWithTrailing = Concat(token, delim);
var leadingToken = Concat(delim, token);
var wrappedToken = Concat(leadingToken, delim);
body = OrElse(body, StartsWith(lowered, tokenWithTrailing));
body = OrElse(body, EndsWith(lowered, leadingToken));
body = OrElse(body, Contains(lowered, wrappedToken));
}
}
return body ?? Expression.Constant(false);
}
private static Expression<Func<T, bool>> BuildLocationPredicate<T>(
IReadOnlyCollection<string> selectedLocations)
{
var vendor = Expression.Parameter(typeof(T), "vendor");
return Expression.Lambda<Func<T, bool>>(
BuildLocationMatchBody<T>(vendor, selectedLocations),
vendor);
}
private static Expression BuildLocationMatchBody<T>(
ParameterExpression vendor,
IReadOnlyCollection<string> selectedLocations)
{
var label = BuildLocationLabelBody(vendor);
var lowered = Expression.Call(label, nameof(string.ToLower), Type.EmptyTypes);
Expression? body = null;
foreach (var location in selectedLocations)
body = OrElse(body, Expression.Equal(lowered, Expression.Constant(location)));
return body ?? Expression.Constant(false);
}
private static Expression BuildLocationLabelBody(ParameterExpression vendor)
{
var city = Expression.Property(vendor, nameof(Vendor.City));
var state = Expression.Property(vendor, nameof(Vendor.State));
var address = Expression.Property(vendor, nameof(Vendor.Address));
var cityBlank = IsBlank(city);
var stateBlank = IsBlank(state);
var addressBlank = IsBlank(address);
var cityLabel = Expression.Condition(
cityBlank,
Expression.Constant(string.Empty),
Expression.Call(city, nameof(string.Trim), Type.EmptyTypes));
var stateLabel = Expression.Condition(
stateBlank,
Expression.Constant(string.Empty),
Expression.Call(state, nameof(string.Trim), Type.EmptyTypes));
var cityCommaState = Concat(Concat(cityLabel, Expression.Constant(", ")), stateLabel);
var onlyState = Expression.Condition(stateBlank, Expression.Constant(string.Empty), stateLabel);
var cityOrBoth = Expression.Condition(stateBlank, cityLabel, cityCommaState);
var cityStateLabel = Expression.Condition(cityBlank, onlyState, cityOrBoth);
// Exact Location label: City/State whenever either structured value is
// present, otherwise the (projected) Address. The blank guard keeps the
// label non-null so the caller's ToLower never sees a null reference.
var addressLabel = Expression.Condition(
addressBlank,
Expression.Constant(string.Empty),
Expression.Call(address, nameof(string.Trim), Type.EmptyTypes));
return Expression.Condition(Expression.AndAlso(cityBlank, stateBlank), addressLabel, cityStateLabel);
}
private static Expression IsBlank(Expression value)
{
var isNull = Expression.Equal(value, Expression.Constant(null, value.Type));
var trimmed = Expression.Call(value, nameof(string.Trim), Type.EmptyTypes);
var isEmpty = Expression.Equal(trimmed, Expression.Constant(string.Empty));
return Expression.Condition(isNull, Expression.Constant(true), isEmpty);
}
private static Expression Concat(Expression left, Expression right) =>
Expression.Call(StringConcatMethod, left, right);
private static Expression StartsWith(Expression instance, Expression value) =>
Expression.Call(instance, nameof(string.StartsWith), Type.EmptyTypes, value);
private static Expression EndsWith(Expression instance, Expression value) =>
Expression.Call(instance, nameof(string.EndsWith), Type.EmptyTypes, value);
private static Expression Contains(Expression instance, Expression value) =>
Expression.Call(instance, nameof(string.Contains), Type.EmptyTypes, value);
private static Expression OrElse(Expression? accumulated, Expression next) =>
accumulated is null ? next : Expression.OrElse(accumulated, next);
public async Task<Vendor> AddAsync(Vendor vendor)
{
await _context.Vendors.AddAsync(vendor);
await _context.SaveChangesAsync();
return vendor;
}
public async Task UpdateAsync(Vendor vendor)
{
_context.Vendors.Update(vendor);
await _context.SaveChangesAsync();
}
public async Task DeleteAsync(int id)
{
var entity = await GetByIdAsync(id);
if (entity != null)
{
_context.Vendors.Remove(entity);
await _context.SaveChangesAsync();
}
}
public async Task<bool> ExistsAsync(int id)
{
return await _context.Vendors.AnyAsync(v => v.Id == id);
}
public async Task<VendorAccessToken?> GetActiveTokenForVendorAsync(int vendorId, CancellationToken cancellationToken)
{
var now = DateTime.UtcNow;
return await _context.VendorAccessTokens
.AsNoTracking()
.Where(t => t.VendorId == vendorId
&& t.RevokedAt == null
&& t.ExpiresAt > now
&& (t.IsDeleted == null || t.IsDeleted == false))
.OrderByDescending(t => t.IssuedAt)
.FirstOrDefaultAsync(cancellationToken);
}
public async Task<VendorAccessToken?> GetTokenWithVendorAsync(string token, CancellationToken cancellationToken)
{
var now = DateTime.UtcNow;
return await _context.VendorAccessTokens
.Include(t => t.Vendor)
.FirstOrDefaultAsync(t => t.Token == token
&& t.RevokedAt == null
&& t.ExpiresAt > now
&& (t.IsDeleted == null || t.IsDeleted == false), cancellationToken);
}
public async Task<VendorAccessToken> AddTokenAsync(VendorAccessToken token, CancellationToken cancellationToken)
{
await _context.VendorAccessTokens.AddAsync(token, cancellationToken);
await _context.SaveChangesAsync(cancellationToken);
return token;
}
public async Task<IReadOnlyList<VendorAccessToken>> GetRevocableTokensAsync(int vendorId, CancellationToken cancellationToken)
{
return await _context.VendorAccessTokens
.Where(t => t.VendorId == vendorId && t.RevokedAt == null)
.ToListAsync(cancellationToken);
}
public async Task SaveChangesAsync(CancellationToken cancellationToken)
{
await _context.SaveChangesAsync(cancellationToken);
}
public async Task<int> CountAsync()
{
return await _context.Vendors.CountAsync();
}
public async Task<VendorCompany?> GetCompanyByIdAsync(int id)
{
return await _context.VendorCompanies
.AsNoTracking()
.FirstOrDefaultAsync(c => c.Id == id);
}
public async Task<VendorCompany?> GetCompanyByNormalizedNameAsync(string normalizedName)
{
return await _context.VendorCompanies
.AsNoTracking()
.FirstOrDefaultAsync(c => c.NormalizedName == normalizedName);
}
public async Task<VendorCompany> AddCompanyAsync(VendorCompany company)
{
await _context.VendorCompanies.AddAsync(company);
try
{
await _context.SaveChangesAsync();
return company;
}
catch (DbUpdateException)
{
_context.Entry(company).State = EntityState.Detached;
var existing = await _context.VendorCompanies
.AsNoTracking()
.SingleOrDefaultAsync(c => c.NormalizedName == company.NormalizedName);
if (existing != null)
return existing;
throw;
}
}
public async Task UpdateCompanyAsync(VendorCompany company)
{
_context.VendorCompanies.Update(company);
await _context.SaveChangesAsync();
}
internal IQueryable<LinkedWorkOrderInfo> BuildLinkedWorkOrdersQuery(int vendorId)
{
var directLinks = _context.Dispatches
.Where(d => d.VendorId == vendorId && d.WorkOrderId.HasValue)
.Select(d => new { DispatchId = d.Id, WorkOrderId = d.WorkOrderId!.Value });
var multiLinks = _context.DispatchWorkOrders
.Where(link => link.Dispatch != null && link.Dispatch.VendorId == vendorId)
.Select(link => new { DispatchId = link.DispatchId, WorkOrderId = link.WorkOrderId });
var linkedIds = directLinks.Concat(multiLinks);
return from link in linkedIds
join wo in _context.workOrders on link.WorkOrderId equals wo.Id
orderby wo.Id, link.DispatchId
select new LinkedWorkOrderInfo
{
WorkOrderId = wo.Id,
WorkOrderNumber = wo.WorkerOrderNumber,
WorkOrderTitle = wo.WorkerOrderTitle,
Status = wo.Status,
LifecycleStatus = wo.LifecycleStatus,
ScheduledDate = wo.ScheduledDate,
DispatchId = link.DispatchId
};
}
public async Task<List<LinkedWorkOrderInfo>> GetLinkedWorkOrdersAsync(int vendorId)
{
var raw = await BuildLinkedWorkOrdersQuery(vendorId).ToListAsync();
return raw.DistinctBy(x => x.WorkOrderId).ToList();
}
public async Task<bool> IsVendorAssignedToWorkOrderAsync(int vendorId, int workOrderId)
{
var hasDirect = await _context.Dispatches
.AnyAsync(d => d.VendorId == vendorId && d.WorkOrderId == workOrderId);
if (hasDirect)
return true;
return await _context.DispatchWorkOrders
.AnyAsync(link => link.WorkOrderId == workOrderId
&& link.Dispatch != null
&& link.Dispatch.VendorId == vendorId);
}
public async Task UpdateWithAuditLogsAsync(
Vendor vendor,
IReadOnlyCollection<VendorAuditLog> auditLogs)
{
_context.Vendors.Update(vendor);
if (auditLogs.Count > 0)
await _context.VendorAuditLogs.AddRangeAsync(auditLogs);
await _context.SaveChangesAsync();
}
}
}