Add scheme APIs and application services

2026-08-21 14:14:07 +05:30
parent f7101800cd
commit aabace1bba
6 changed files with 854 additions and 0 deletions
@@ -0,0 +1,111 @@
+using Distribution.Models;
+
+namespace Distribution.Features.Scheme;
+
+// ── Rule config payloads for percentage-based rules (serialized into Scheme.RuleConfig) ──
+
+public record SlabDiscountConfig(List<SlabTier> Tiers);
+
+public record SlabTier(decimal MinOrderAmount, decimal DiscountPercent);
+
+public record FlatPercentConfig(decimal DiscountPercent);
+
+// ── Requests ────────────────────────────────────────────────────────────
+
+public record BundleComponentRequest(Guid ItemId, int Qty);
+
+/// <summary>
+/// TriggerItemId/TriggerQty/FreeItemId/FreeQty/BundleComponents are optional so plain discount
+/// schemes (SlabDiscount/FlatPercent) can omit them entirely. When RuleType is BuyXGetY, supplying
+/// TriggerItemId+TriggerQty+FreeItemId+FreeQty here creates the scheme fully populated in one call
+/// instead of a separate PUT .../free-goods-rule. When RuleType is FreeBundle, supplying
+/// FreeItemId+FreeQty+BundleComponents does the same. These can still be added/edited later via
+/// PUT .../free-goods-rule and PUT .../bundle-components/{itemId}.
+/// </summary>
+public record CreateSchemeRequest(
+    string Name,
+    SchemeRuleType RuleType,
+    string? RuleConfig,
+    Guid? RegionId,
+    string? EligibleSegment,
+    DateTime DateRangeFrom,
+    DateTime DateRangeTo,
+    bool AgentLimitExempt,
+    decimal? BaselineExpectedSales,
+    Guid? TriggerItemId = null,
+    int? TriggerQty = null,
+    Guid? FreeItemId = null,
+    decimal? FreeQty = null,
+    List<BundleComponentRequest>? BundleComponents = null);
+
+public record UpdateSchemeRequest(
+    string Name,
+    string? RuleConfig,
+    Guid? RegionId,
+    string? EligibleSegment,
+    DateTime DateRangeFrom,
+    DateTime DateRangeTo,
+    bool AgentLimitExempt,
+    decimal? BaselineExpectedSales);
+
+public record ApplySchemeRequest(Guid SchemeId);
+
+/// <summary>
+/// Sets the free-goods payout for a scheme. For BuyXGetY, TriggerItemId/TriggerQty are required
+/// (what the store must buy); for FreeBundle they are ignored — the required items instead come
+/// from the scheme's bundle-components CRUD. FreeItemId/FreeQty is the payout in both cases.
+/// </summary>
+public record SetFreeGoodsRuleRequest(Guid? TriggerItemId, int? TriggerQty, Guid FreeItemId, decimal FreeQty);
+
+public record UpsertBundleComponentRequest(int Qty);
+
+// ── Responses ───────────────────────────────────────────────────────────
+
+public record BundleComponentResponse(Guid ItemId, string Sku, string ItemName, int Qty);
+
+public record SchemeResponse(
+    Guid Id,
+    string Name,
+    SchemeRuleType RuleType,
+    string? RuleConfig,
+    Guid? TriggerItemId,
+    string? TriggerItemName,
+    int? TriggerQty,
+    Guid? FreeItemId,
+    string? FreeItemName,
+    decimal? FreeQty,
+    List<BundleComponentResponse> BundleComponents,
+    Guid? RegionId,
+    string? RegionName,
+    string? EligibleSegment,
+    DateTime DateRangeFrom,
+    DateTime DateRangeTo,
+    bool AgentLimitExempt,
+    decimal? BaselineExpectedSales,
+    bool IsActive,
+    DateTime CreatedAt);
+
+public record SchemeEligibilityResponse(
+    Guid SchemeId,
+    string SchemeName,
+    SchemeRuleType RuleType,
+    bool Eligible,
+    string? Reason,
+    decimal? DiscountAmount,
+    Guid? FreeItemId,
+    decimal? FreeQty);
+
+public record SchemeRedemptionResponse(
+    Guid Id,
+    Guid SchemeId,
+    Guid? OrderId,
+    decimal? DiscountAmount,
+    Guid? FreeItemId,
+    string? FreeItemName,
+    decimal? FreeQty,
+    decimal? FreeItemCostValue,
+    DateTime RedeemedAt);
+
+public record SchemeSpendResponse(Guid SchemeId, decimal TotalDiscountSpend, decimal TotalFreeGoodsCostSpend, decimal TotalSpend, int RedemptionCount);
+
+public record SchemeROIResponse(Guid SchemeId, decimal BaselineExpectedSales, decimal ActualSales, decimal IncrementalSales, decimal TotalSpend, decimal? ROI);