Distribution_GL Initialization

2026-10-20 13:07:07 +05:30
commit 3f16e0cb44
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+using General_Ledger_Service.DTOs.Reports;
+using General_Ledger_Service.Infra;
+using General_Ledger_Service.Interfaces.Repositories;
+using General_Ledger_Service.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace General_Ledger_Service.Repositories
+{
+    public class BudgetRepository(AppDBContext context) : IBudgetRepository
+    {
+        private readonly AppDBContext _context = context;
+
+        public Task<Budget?> GetByIdAsync(long budgetId) =>
+            RepositoryHelpers.GetByIdAsync(_context.Budgets, budgetId);
+
+        public Task<Budget> AddAsync(Budget budget) =>
+            RepositoryHelpers.AddAsync(_context.Budgets, budget);
+
+        public async Task AddLinesAsync(IEnumerable<BudgetLine> lines) =>
+            await _context.BudgetLines.AddRangeAsync(lines);
+
+        public async Task<List<Budget>> GetAllAsync() =>
+            await _context.Budgets.OrderBy(b => b.Name).ToListAsync();
+
+        public async Task<List<BudgetVsActualRowDto>> GetBudgetVsActualAsync(long budgetId)
+        {
+            var budgetLines = await _context.BudgetLines
+                .Where(bl => bl.BudgetId == budgetId)
+                .OrderBy(bl => bl.Account.AccountCode)
+                .Select(bl => new
+                {
+                    bl.BudgetLineId,
+                    bl.AccountId,
+                    bl.Account.AccountCode,
+                    bl.Account.AccountName,
+                    bl.PeriodId,
+                    bl.BudgetedAmount
+                })
+                .ToListAsync();
+
+            var accountIds = budgetLines.Select(bl => bl.AccountId).Distinct().ToList();
+            var periodIds = budgetLines.Select(bl => bl.PeriodId).Distinct().ToList();
+
+            // Actual = posted base debit - credit per (account, period), summed in the database.
+            var actuals = await _context.JournalEntryLines
+                .Where(l => l.Journal.IsPosted
+                            && accountIds.Contains(l.AccountId)
+                            && periodIds.Contains(l.Journal.PeriodId))
+                .GroupBy(l => new { l.AccountId, l.Journal.PeriodId })
+                .Select(g => new { g.Key.AccountId, g.Key.PeriodId, Amount = g.Sum(l => l.BaseDebit - l.BaseCredit) })
+                .ToListAsync();
+
+            var actualByAccountAndPeriod = actuals.ToDictionary(a => (a.AccountId, a.PeriodId), a => a.Amount);
+
+            return [.. budgetLines.Select(bl =>
+            {
+                actualByAccountAndPeriod.TryGetValue((bl.AccountId, bl.PeriodId), out var actual);
+                return new BudgetVsActualRowDto
+                {
+                    BudgetLineId = bl.BudgetLineId,
+                    AccountCode = bl.AccountCode,
+                    AccountName = bl.AccountName,
+                    PeriodId = bl.PeriodId,
+                    BudgetedAmount = bl.BudgetedAmount,
+                    ActualAmount = actual,
+                    Variance = bl.BudgetedAmount - actual
+                };
+            })];
+        }
+    }
+}