feat(): prefilter top level promotion rules in db (#13524)

* feat(): promotion pre filtering rule from db

* wip

* feat(): promotion pre filtering rule from db

* improve test readability

* resolve conflict

* fix automatic flag

* add index on attribute and operator

* add index on attribute and operator

* finalize

* cleanup

* cleanup

* cleanup

* cleanup

* Create purple-cars-design.md

* fixes

* fixes

* simplify filters

* fix filter

* fix filter

* further improvements

* fixes

* fixes

* fixes

* fix exclusion

* fix comment

* fix comment

.changeset/purple-cars-design.md

@@ -0,0 +1,5 @@
+---
+"@medusajs/promotion": patch
+---
+
+Feat(): promo prepare top level rules filter

packages/modules/promotion/integration-tests/__tests__/services/promotion-module/compute-actions.spec.ts

@@ -1,4 +1,7 @@
-import { IPromotionModuleService } from "@medusajs/framework/types"
+import {
+  CreatePromotionDTO,
+  IPromotionModuleService,
+} from "@medusajs/framework/types"
 import {
   ApplicationMethodType,
   Modules,
@@ -22,6 +25,540 @@ moduleIntegrationTestRunner({
         await createCampaigns(MikroOrmWrapper.forkManager())
       })
 
+      it("should prefilter promotions by applicable rules", async () => {
+        // 1. Promotion with NO rules (should always apply if automatic)
+        await createDefaultPromotion(service, {
+          code: "NO_RULES_PROMO",
+          is_automatic: true,
+          rules: [], // No global rules - always applicable
+          application_method: {
+            type: "fixed",
+            target_type: "items",
+            allocation: "each",
+            max_quantity: 100000,
+            value: 100,
+            target_rules: [
+              {
+                attribute: "product.id",
+                operator: "eq",
+                values: ["prod_tshirt0"], // Only applies to product 0
+              },
+            ],
+          },
+        })
+
+        // 2. Promotion matching customer group VIP1
+        await createDefaultPromotion(service, {
+          code: "CUSTOMER_GROUP_PROMO",
+          is_automatic: true,
+          rules: [
+            {
+              attribute: "customer.customer_group.id",
+              operator: "in",
+              values: ["VIP1"], // Matches our test customer
+            },
+          ],
+          application_method: {
+            type: "fixed",
+            target_type: "items",
+            allocation: "each",
+            max_quantity: 100000,
+            value: 100,
+            target_rules: [
+              {
+                attribute: "product.id",
+                operator: "eq",
+                values: ["prod_tshirt1"], // Only applies to product 1
+              },
+            ],
+          },
+        })
+
+        // 3. Promotion with subtotal rule (should match items with subtotal > 50)
+        await createDefaultPromotion(service, {
+          code: "SUBTOTAL_PROMO",
+          is_automatic: true,
+          rules: [
+            {
+              attribute: "items.subtotal",
+              operator: "gt",
+              values: ["50"], // All our items have subtotal > 50
+            },
+          ],
+          application_method: {
+            type: "fixed",
+            target_type: "items",
+            allocation: "each",
+            max_quantity: 100000,
+            value: 100,
+            target_rules: [], // No target rules - applies to all items
+          },
+        })
+
+        // 4. Promotion matching customer.id
+        await createDefaultPromotion(service, {
+          code: "CUSTOMER_ID_PROMO",
+          is_automatic: true,
+          rules: [
+            {
+              attribute: "customer.id",
+              operator: "in",
+              values: ["customer"], // Matches our test customer
+            },
+          ],
+          application_method: {
+            type: "fixed",
+            target_type: "items",
+            allocation: "each",
+            max_quantity: 100000,
+            value: 250, // Different value to distinguish
+            target_rules: [
+              {
+                attribute: "product.id",
+                operator: "eq",
+                values: ["prod_tshirt9"], // Only applies to product 9
+              },
+            ],
+          },
+        })
+
+        // 5. Promotion that should NOT match (different customer group)
+        await createDefaultPromotion(service, {
+          code: "NO_MATCH_PROMO",
+          is_automatic: true,
+          rules: [
+            {
+              attribute: "customer.customer_group.id",
+              operator: "in",
+              values: ["VIP99"], // Different customer group - won't match
+            },
+          ],
+          application_method: {
+            type: "fixed",
+            target_type: "items",
+            allocation: "each",
+            max_quantity: 100000,
+            value: 100,
+            target_rules: [
+              {
+                attribute: "product.id",
+                operator: "eq",
+                values: ["prod_tshirt0"],
+              },
+            ],
+          },
+        })
+
+        // 6. Non-automatic promotion (should be excluded from automatic processing)
+        await createDefaultPromotion(service, {
+          code: "NON_AUTO_PROMO",
+          is_automatic: false, // Not automatic
+          rules: [
+            {
+              attribute: "customer.customer_group.id",
+              operator: "in",
+              values: ["VIP1"], // Would match but not automatic
+            },
+          ],
+          application_method: {
+            type: "fixed",
+            target_type: "items",
+            allocation: "each",
+            max_quantity: 100000,
+            value: 100,
+            target_rules: [
+              {
+                attribute: "product.id",
+                operator: "eq",
+                values: ["prod_tshirt0"],
+              },
+            ],
+          },
+        })
+
+        // 6. Non-automatic promotion that do not match any rules (should be excluded from automatic processing and internal pre filtering)
+        await createDefaultPromotion(service, {
+          code: "NON_AUTO_PROMO_2",
+          is_automatic: false, // Not automatic
+          rules: [
+            {
+              attribute: "customer.customer_group.id",
+              operator: "in",
+              values: ["VIP99"], // Would not match our customer group
+            },
+          ],
+          application_method: {
+            type: "fixed",
+            target_type: "items",
+            allocation: "each",
+            max_quantity: 100000,
+            value: 100,
+            target_rules: [
+              {
+                attribute: "product.id",
+                operator: "eq",
+                values: ["prod_tshirt0"],
+              },
+            ],
+          },
+        })
+
+        // Spy on the internal promotion service to verify prefiltering
+        let prefilterCallCount = 0
+        let prefilteredPromotions: any[] = []
+        const originalPromotionServiceList = (service as any).promotionService_
+          .list
+
+        ;(service as any).promotionService_.list = async (...args: any[]) => {
+          const result = await originalPromotionServiceList.bind(
+            (service as any).promotionService_
+          )(...args)
+
+          if (prefilterCallCount === 0) {
+            prefilteredPromotions = result
+          }
+          prefilterCallCount++
+
+          return result
+        }
+
+        // Test Context: Customer with specific attributes
+        const testContext = {
+          currency_code: "usd",
+          customer: {
+            id: "customer", // Matches CUSTOMER_ID_PROMO
+            customer_group: {
+              id: "VIP1", // Matches CUSTOMER_GROUP_PROMO
+            },
+          },
+          region_id: "region_1",
+          items: [
+            {
+              id: "item_tshirt0",
+              quantity: 1,
+              subtotal: 100, // > 50, matches SUBTOTAL_PROMO
+              product: { id: "prod_tshirt0" }, // Matches NO_RULES_PROMO target
+            },
+            {
+              id: "item_tshirt1",
+              quantity: 1,
+              subtotal: 100, // > 50, matches SUBTOTAL_PROMO
+              product: { id: "prod_tshirt1" }, // Matches CUSTOMER_GROUP_PROMO target
+            },
+            {
+              id: "item_tshirt9",
+              quantity: 5,
+              subtotal: 750, // > 50, matches SUBTOTAL_PROMO
+              product: { id: "prod_tshirt9" }, // Matches CUSTOMER_ID_PROMO target
+            },
+            {
+              id: "item_unknown",
+              quantity: 1,
+              subtotal: 110, // > 50, matches SUBTOTAL_PROMO
+              product: { id: "prod_unknown" }, // No specific target rules match
+            },
+          ] as any,
+        }
+
+        const actions = await service.computeActions([], testContext)
+
+        ;(service as any).promotionService_.list = originalPromotionServiceList
+
+        // 1. Verify prefiltering worked - should include matching promotions
+        expect(prefilteredPromotions).toHaveLength(4)
+        const prefilteredCodes = prefilteredPromotions.map((p) => p.code)
+        expect(prefilteredCodes).toEqual(
+          expect.arrayContaining([
+            "NO_RULES_PROMO", // No rules - always included
+            "CUSTOMER_GROUP_PROMO", // customer.customer_group.id = VIP1
+            "SUBTOTAL_PROMO", // items.subtotal > 50
+            "CUSTOMER_ID_PROMO", // customer.id = customer
+          ])
+        )
+
+        expect(actions).toHaveLength(4)
+
+        const actionsByCode = JSON.parse(JSON.stringify(actions)).reduce(
+          (acc, action) => {
+            if (!acc[action.code]) acc[action.code] = []
+            acc[action.code].push(action)
+            return acc
+          },
+          {} as Record<string, any[]>
+        )
+
+        // NO_RULES_PROMO: Applies to item_tshirt0 (product.id = prod_tshirt0)
+        expect(actionsByCode["NO_RULES_PROMO"]).toEqual([
+          expect.objectContaining({
+            action: "addItemAdjustment",
+            item_id: "item_tshirt0",
+            amount: 100,
+            code: "NO_RULES_PROMO",
+          }),
+        ])
+
+        // CUSTOMER_GROUP_PROMO: Applies to item_tshirt1 (product.id = prod_tshirt1)
+        expect(actionsByCode["CUSTOMER_GROUP_PROMO"]).toEqual([
+          expect.objectContaining({
+            action: "addItemAdjustment",
+            item_id: "item_tshirt1",
+            amount: 100,
+            code: "CUSTOMER_GROUP_PROMO",
+          }),
+        ])
+
+        // SUBTOTAL_PROMO: (no target rules)
+        expect(actionsByCode["SUBTOTAL_PROMO"]).toHaveLength(1)
+        expect(actionsByCode["SUBTOTAL_PROMO"]).toEqual(
+          expect.arrayContaining([
+            expect.objectContaining({ item_id: "item_unknown", amount: 100 }),
+          ])
+        )
+
+        // CUSTOMER_ID_PROMO: Applies to item_tshirt9 (product.id = prod_tshirt9)
+        expect(actionsByCode["CUSTOMER_ID_PROMO"]).toEqual([
+          expect.objectContaining({
+            action: "addItemAdjustment",
+            item_id: "item_tshirt9",
+            amount: 750,
+            code: "CUSTOMER_ID_PROMO",
+          }),
+        ])
+      })
+
+      it("should handle prefiltering of many automatic promotions targetting customers and regions with only one that is relevant", async () => {
+        const promotionToCreate: CreatePromotionDTO[] = []
+        // I ve also tested with 20k and the compute actions takes 200/300ms
+        for (let i = 0; i < 100; i++) {
+          promotionToCreate.push({
+            code: "CUSTOMER_PROMO_" + i,
+            is_automatic: true,
+            rules: [
+              {
+                attribute: "customer.id",
+                operator: "eq",
+                values: ["customer" + i], // Matches our test customer1
+              },
+              {
+                attribute: "region_id",
+                operator: "eq",
+                values: ["region_1"], // matches our region
+              },
+            ],
+            application_method: {
+              type: "fixed",
+              target_type: "items",
+              allocation: "each",
+              max_quantity: 100000,
+              value: 100,
+              target_rules: [
+                {
+                  attribute: "product.id",
+                  operator: "eq",
+                  values: ["prod_tshirt0"], // Only applies to product 0
+                },
+              ],
+            },
+            type: "standard",
+            status: PromotionStatus.ACTIVE,
+            campaign_id: "campaign-id-1",
+          })
+        }
+
+        await service.createPromotions(promotionToCreate)
+
+        // Spy on the internal promotion service to verify prefiltering
+        let prefilterCallCount = 0
+        let prefilteredPromotions: any[] = []
+        const originalPromotionServiceList = (service as any).promotionService_
+          .list
+
+        ;(service as any).promotionService_.list = async (...args: any[]) => {
+          const result = await originalPromotionServiceList.bind(
+            (service as any).promotionService_
+          )(...args)
+
+          if (prefilterCallCount === 0) {
+            prefilteredPromotions = result
+          }
+          prefilterCallCount++
+
+          return result
+        }
+
+        // Test Context: Customer with specific attributes
+        const testContext = {
+          currency_code: "usd",
+          customer: {
+            id: "customer1", // Matches CUSTOMER_PROMO_1
+          },
+          region_id: "region_1",
+          items: [
+            {
+              id: "item_tshirt0",
+              quantity: 1,
+              subtotal: 100,
+              product: { id: "prod_tshirt0" }, // Matches CUSTOMER_PROMO_1 target
+            },
+            {
+              id: "item_tshirt1",
+              quantity: 1,
+              subtotal: 100,
+              product: { id: "prod_tshirt1" },
+            },
+            {
+              id: "item_tshirt9",
+              quantity: 5,
+              subtotal: 750,
+              product: { id: "prod_tshirt9" },
+            },
+            {
+              id: "item_unknown",
+              quantity: 1,
+              subtotal: 110,
+              product: { id: "prod_unknown" },
+            },
+          ] as any,
+        }
+
+        const actions = await service.computeActions([], testContext)
+
+        ;(service as any).promotionService_.list = originalPromotionServiceList
+
+        // 1. Verify prefiltering worked - should include matching promotion
+        // We expect the prefilter to have return a single promotion that is being satisfied by the
+        // context with the given customer id and region id
+        expect(prefilteredPromotions).toHaveLength(1)
+        const prefilteredCodes = prefilteredPromotions.map((p) => p.code)
+        expect(prefilteredCodes).toEqual(
+          expect.arrayContaining([
+            "CUSTOMER_PROMO_1", // customer.id = customer1
+          ])
+        )
+
+        expect(actions).toHaveLength(1)
+
+        const actionsByCode = JSON.parse(JSON.stringify(actions)).reduce(
+          (acc, action) => {
+            if (!acc[action.code]) acc[action.code] = []
+            acc[action.code].push(action)
+            return acc
+          },
+          {} as Record<string, any[]>
+        )
+
+        // CUSTOMER_PROMO_1: Applies to item_tshirt0 (product.id = prod_tshirt0)
+        expect(actionsByCode["CUSTOMER_PROMO_1"]).toEqual([
+          expect.objectContaining({
+            action: "addItemAdjustment",
+            item_id: "item_tshirt0",
+            amount: 100,
+            code: "CUSTOMER_PROMO_1",
+          }),
+        ])
+      })
+
+      it("should handle prefiltering of many automatic promotions targetting customers and regions while no context attribute can satisfies any of those rules", async () => {
+        const promotionToCreate: CreatePromotionDTO[] = []
+        for (let i = 0; i < 100; i++) {
+          promotionToCreate.push({
+            code: "CUSTOMER_PROMO_" + i,
+            is_automatic: true,
+            rules: [
+              {
+                attribute: "customer.id",
+                operator: "eq",
+                values: ["customer" + i], // Matches our test customer1
+              },
+              {
+                attribute: "region_id",
+                operator: "eq",
+                values: ["region_1"], // matches our region
+              },
+            ],
+            application_method: {
+              type: "fixed",
+              target_type: "items",
+              allocation: "each",
+              max_quantity: 100000,
+              value: 100,
+              target_rules: [
+                {
+                  attribute: "product.id",
+                  operator: "eq",
+                  values: ["prod_tshirt0"], // Only applies to product 0
+                },
+              ],
+            },
+            type: "standard",
+            status: PromotionStatus.ACTIVE,
+            campaign_id: "campaign-id-1",
+          })
+        }
+
+        await service.createPromotions(promotionToCreate)
+
+        // Spy on the internal promotion service to verify prefiltering
+        let prefilterCallCount = 0
+        let prefilteredPromotions: any[] = []
+        const originalPromotionServiceList = (service as any).promotionService_
+          .list
+
+        ;(service as any).promotionService_.list = async (...args: any[]) => {
+          const result = await originalPromotionServiceList.bind(
+            (service as any).promotionService_
+          )(...args)
+
+          if (prefilterCallCount === 0) {
+            prefilteredPromotions = result
+          }
+          prefilterCallCount++
+
+          return result
+        }
+
+        // Test Context
+        const testContext = {
+          currency_code: "usd",
+          items: [
+            {
+              id: "item_tshirt0",
+              quantity: 1,
+              subtotal: 100,
+              product: { id: "prod_tshirt0" }, // Matches CUSTOMER_PROMO_1 target
+            },
+            {
+              id: "item_tshirt1",
+              quantity: 1,
+              subtotal: 100,
+              product: { id: "prod_tshirt1" },
+            },
+            {
+              id: "item_tshirt9",
+              quantity: 5,
+              subtotal: 750,
+              product: { id: "prod_tshirt9" },
+            },
+            {
+              id: "item_unknown",
+              quantity: 1,
+              subtotal: 110,
+              product: { id: "prod_unknown" },
+            },
+          ] as any,
+        }
+
+        const actions = await service.computeActions([], testContext)
+
+        ;(service as any).promotionService_.list = originalPromotionServiceList
+
+        // 1. Verify prefiltering worked - should include matching promotion
+        // We expect the prefilter to have return 0 promotion that is being satisfied by the
+        expect(prefilteredPromotions).toHaveLength(0)
+
+        expect(actions).toHaveLength(0)
+      })
+
       it("should return empty array when promotion is not active (draft or inactive)", async () => {
         const promotion = await createDefaultPromotion(service, {
           status: PromotionStatus.DRAFT,
@@ -2865,7 +3402,7 @@ moduleIntegrationTestRunner({
             ])
           })
 
-          it("should compute the correct shipping_method amendments when promotion is automatic and prevent_auto_promotions is false", async () => {
+          it("should compute the correct shipping_method amendments when promotion is automatic and prevent_auto_promotions is true", async () => {
             await createDefaultPromotion(service, {
               rules: [
                 {

packages/modules/promotion/src/migrations/.snapshot-medusa-promotion.json

@@ -460,6 +460,15 @@
           "unique": false,
           "expression": "CREATE UNIQUE INDEX IF NOT EXISTS \"IDX_unique_promotion_code\" ON \"promotion\" (code) WHERE deleted_at IS NULL"
         },
+        {
+          "keyName": "IDX_promotion_is_automatic",
+          "columnNames": [],
+          "composite": false,
+          "constraint": false,
+          "primary": false,
+          "unique": false,
+          "expression": "CREATE INDEX IF NOT EXISTS \"IDX_promotion_is_automatic\" ON \"promotion\" (is_automatic) WHERE deleted_at IS NULL"
+        },
         {
           "keyName": "promotion_pkey",
           "columnNames": [
@@ -832,6 +841,15 @@
           "unique": false,
           "expression": "CREATE INDEX IF NOT EXISTS \"IDX_promotion_rule_deleted_at\" ON \"promotion_rule\" (deleted_at) WHERE deleted_at IS NULL"
         },
+        {
+          "keyName": "IDX_promotion_rule_attribute_operator",
+          "columnNames": [],
+          "composite": false,
+          "constraint": false,
+          "primary": false,
+          "unique": false,
+          "expression": "CREATE INDEX IF NOT EXISTS \"IDX_promotion_rule_attribute_operator\" ON \"promotion_rule\" (attribute, operator) WHERE deleted_at IS NULL"
+        },
         {
           "keyName": "promotion_rule_pkey",
           "columnNames": [
@@ -1131,6 +1149,24 @@
           "unique": false,
           "expression": "CREATE INDEX IF NOT EXISTS \"IDX_promotion_rule_value_deleted_at\" ON \"promotion_rule_value\" (deleted_at) WHERE deleted_at IS NULL"
         },
+        {
+          "keyName": "IDX_promotion_rule_value_rule_id_value",
+          "columnNames": [],
+          "composite": false,
+          "constraint": false,
+          "primary": false,
+          "unique": false,
+          "expression": "CREATE INDEX IF NOT EXISTS \"IDX_promotion_rule_value_rule_id_value\" ON \"promotion_rule_value\" (promotion_rule_id, value) WHERE deleted_at IS NULL"
+        },
+        {
+          "keyName": "IDX_promotion_rule_value_value",
+          "columnNames": [],
+          "composite": false,
+          "constraint": false,
+          "primary": false,
+          "unique": false,
+          "expression": "CREATE INDEX IF NOT EXISTS \"IDX_promotion_rule_value_value\" ON \"promotion_rule_value\" (value) WHERE deleted_at IS NULL"
+        },
         {
           "keyName": "promotion_rule_value_pkey",
           "columnNames": [

packages/modules/promotion/src/migrations/Migration20250916120552.ts

@@ -0,0 +1,13 @@
+import { Migration } from "@mikro-orm/migrations"
+
+export class Migration20250916120552 extends Migration {
+  override async up(): Promise<void> {
+    this.addSql(
+      `CREATE INDEX IF NOT EXISTS "IDX_promotion_rule_attribute_operator" ON "promotion_rule" (attribute, operator) WHERE deleted_at IS NULL;`
+    )
+  }
+
+  override async down(): Promise<void> {
+    this.addSql(`drop index if exists "IDX_promotion_rule_attribute_operator";`)
+  }
+}

packages/modules/promotion/src/migrations/Migration20250917143818.ts

@@ -0,0 +1,19 @@
+import { Migration } from '@mikro-orm/migrations';
+
+export class Migration20250917143818 extends Migration {
+
+  override async up(): Promise<void> {
+    this.addSql(`CREATE INDEX IF NOT EXISTS "IDX_promotion_is_automatic" ON "promotion" (is_automatic) WHERE deleted_at IS NULL;`);
+
+    this.addSql(`CREATE INDEX IF NOT EXISTS "IDX_promotion_rule_value_rule_id_value" ON "promotion_rule_value" (promotion_rule_id, value) WHERE deleted_at IS NULL;`);
+    this.addSql(`CREATE INDEX IF NOT EXISTS "IDX_promotion_rule_value_value" ON "promotion_rule_value" (value) WHERE deleted_at IS NULL;`);
+  }
+
+  override async down(): Promise<void> {
+    this.addSql(`drop index if exists "IDX_promotion_is_automatic";`);
+
+    this.addSql(`drop index if exists "IDX_promotion_rule_value_rule_id_value";`);
+    this.addSql(`drop index if exists "IDX_promotion_rule_value_value";`);
+  }
+
+}

packages/modules/promotion/src/models/promotion-rule-value.ts

@@ -1,7 +1,8 @@
 import { model } from "@medusajs/framework/utils"
 import PromotionRule from "./promotion-rule"
 
-const PromotionRuleValue = model.define(
+const PromotionRuleValue = model
+  .define(
     { name: "PromotionRuleValue", tableName: "promotion_rule_value" },
     {
       id: model.id({ prefix: "prorulval" }).primaryKey(),
@@ -11,5 +12,19 @@ const PromotionRuleValue = model.define(
       }),
     }
   )
+  .indexes([
+    {
+      name: "IDX_promotion_rule_value_rule_id_value",
+      on: ["promotion_rule_id", "value"],
+      unique: false,
+      where: "deleted_at IS NULL",
+    },
+    {
+      name: "IDX_promotion_rule_value_value",
+      on: ["value"],
+      unique: false,
+      where: "deleted_at IS NULL",
+    },
+  ])
 
 export default PromotionRuleValue

packages/modules/promotion/src/models/promotion-rule.ts

@@ -30,6 +30,13 @@ const PromotionRule = model
       }),
     }
   )
+  .indexes([
+    {
+      on: ["attribute", "operator"],
+      unique: false,
+      where: "deleted_at IS NULL",
+    },
+  ])
   .cascades({
     delete: ["values"],
   })

packages/modules/promotion/src/models/promotion.ts

@@ -39,6 +39,12 @@ const Promotion = model
       where: "deleted_at IS NULL",
       unique: true,
     },
+    {
+      name: "IDX_promotion_is_automatic",
+      on: ["is_automatic"],
+      unique: false,
+      where: "deleted_at IS NULL",
+    },
   ])
 
 export default Promotion

packages/modules/promotion/src/services/promotion-module.ts

@@ -62,6 +62,7 @@ import {
 } from "@utils"
 import { joinerConfig } from "../joiner-config"
 import { CreatePromotionRuleValueDTO } from "../types/promotion-rule-value"
+import { buildPromotionRuleQueryFilterFromContext } from "../utils/compute-actions/build-promotion-rule-query-filter-from-context"
 
 type InjectedDependencies = {
   baseRepository: DAL.RepositoryService
@@ -461,10 +462,39 @@ export default class PromotionModuleService
 
     const uniquePromotionCodes = Array.from(new Set(promotionCodesToApply))
 
-    const queryFilter = preventAutoPromotions
+    let queryFilter: DAL.FilterQuery<any> = { code: uniquePromotionCodes }
-      ? { code: uniquePromotionCodes }
+
-      : {
+    if (!preventAutoPromotions) {
-          $or: [{ code: uniquePromotionCodes }, { is_automatic: true }],
+      const rulePrefilteringFilters =
+        buildPromotionRuleQueryFilterFromContext(applicationContext)
+
+      let prefilteredAutomaticPromotionIds: string[] = []
+
+      if (rulePrefilteringFilters) {
+        const promotions = await this.promotionService_.list(
+          {
+            $and: [{ is_automatic: true }, rulePrefilteringFilters],
+          },
+          { select: ["id"] },
+          sharedContext
+        )
+
+        prefilteredAutomaticPromotionIds = promotions.map(
+          (promotion) => promotion.id!
+        )
+      }
+
+      const automaticPromotionFilter = rulePrefilteringFilters
+        ? {
+            id: { $in: prefilteredAutomaticPromotionIds },
+          }
+        : { is_automatic: true }
+
+      queryFilter = automaticPromotionFilter
+        ? {
+            $or: [{ code: uniquePromotionCodes }, automaticPromotionFilter],
+          }
+        : queryFilter
     }
 
     const promotions = await this.listActivePromotions_(

packages/modules/promotion/src/utils/compute-actions/build-promotion-rule-query-filter-from-context.ts

@@ -0,0 +1,176 @@
+import {
+  ComputeActionContext,
+  ComputeActionItemLine,
+  ComputeActionShippingLine,
+  DAL,
+  PromotionTypes,
+} from "@medusajs/framework/types"
+import { flattenObjectToKeyValuePairs } from "@medusajs/framework/utils"
+import { raw } from "@mikro-orm/postgresql"
+
+/**
+ * Builds a query filter for promotion rules based on the context.
+ * This is used to prefilter promotions before computing actions.
+ * The idea is that we first retrieve from the database the promotions where all rules can be
+ * satisfied by the given context. We exclude promotions that have any rule that cannot be satisfied.
+ *
+ * @param context
+ * @returns
+ */
+export function buildPromotionRuleQueryFilterFromContext(
+  context: PromotionTypes.ComputeActionContext
+): DAL.FilterQuery<any> | null {
+  const {
+    items = [],
+    shipping_methods: shippingMethods = [],
+    ...restContext
+  } = context
+
+  let flattenItemsPropsValuesArray = flattenObjectToKeyValuePairs(
+    items
+  ) as Record<keyof ComputeActionItemLine & string, any>
+  flattenItemsPropsValuesArray = Object.fromEntries(
+    Object.entries(flattenItemsPropsValuesArray).map(([k, v]) => [
+      `items.${k}`,
+      v,
+    ])
+  )
+
+  let flattenShippingMethodsPropsValuesArray = flattenObjectToKeyValuePairs(
+    shippingMethods
+  ) as Record<keyof ComputeActionShippingLine & string, any>
+  flattenShippingMethodsPropsValuesArray = Object.fromEntries(
+    Object.entries(flattenShippingMethodsPropsValuesArray).map(([k, v]) => [
+      `shipping_methods.${k}`,
+      v,
+    ])
+  )
+
+  const flattenRestContextPropsValuesArray = flattenObjectToKeyValuePairs(
+    restContext
+  ) as Record<keyof ComputeActionContext & string, any>
+
+  const attributeValueMap = new Map<string, Set<any>>()
+
+  ;[
+    flattenItemsPropsValuesArray,
+    flattenShippingMethodsPropsValuesArray,
+    flattenRestContextPropsValuesArray,
+  ].forEach((flattenedArray) => {
+    Object.entries(flattenedArray).forEach(([prop, value]) => {
+      if (!attributeValueMap.has(prop)) {
+        attributeValueMap.set(prop, new Set())
+      }
+
+      const values = Array.isArray(value) ? value : [value]
+      values.forEach((v) => attributeValueMap.get(prop)!.add(v))
+    })
+  })
+
+  // Build conditions for a NOT EXISTS subquery to exclude promotions with unsatisfiable rules
+  const sqlConditions: string[] = []
+
+  // First, check for rules where the attribute doesn't exist in context at all
+  // These rules can never be satisfied
+  sqlConditions.push(
+    `pr.attribute NOT IN (${Array.from(attributeValueMap.keys())
+      .map((attr) => `'${attr.replace(/'/g, "''")}'`)
+      .join(",")})`
+  )
+
+  // Then, for attributes that exist in context, check if the values don't satisfy the rules
+  attributeValueMap.forEach((valueSet, attribute) => {
+    const values = Array.from(valueSet)
+    const stringValues = values
+      .map((v) => `'${v.toString().replace(/'/g, "''")}'`)
+      .join(",")
+
+    const numericValues = values
+      .map((v) => {
+        const num = Number(v)
+        return !isNaN(num) ? num : null
+      })
+      .filter((v) => v !== null) as number[]
+
+    // Escape attribute name to prevent SQL injection
+    const escapedAttribute = `'${attribute.replace(/'/g, "''")}'`
+
+    // For 'in' and 'eq' operators - rule is unsatisfiable if NO rule values overlap with context
+    // This requires checking that ALL rule values for a given rule are not in context
+    if (stringValues.length) {
+      sqlConditions.push(
+        `(pr.attribute = ${escapedAttribute} AND pr.operator IN ('in', 'eq') AND pr.id NOT IN (
+        SELECT DISTINCT prv_inner.promotion_rule_id
+        FROM promotion_rule_value prv_inner
+        WHERE prv_inner.value IN (${stringValues})
+      ))`
+      )
+    }
+
+    if (numericValues.length) {
+      const minValue = Math.min(...numericValues)
+      const maxValue = Math.max(...numericValues)
+
+      // For gt - rule is unsatisfiable if rule_value >= context_max_value
+      sqlConditions.push(
+        `(pr.attribute = ${escapedAttribute} AND pr.operator = 'gt' AND CAST(prv.value AS DECIMAL) >= ${maxValue})`
+      )
+
+      // For gte - rule is unsatisfiable if rule_value > context_max_value
+      sqlConditions.push(
+        `(pr.attribute = ${escapedAttribute} AND pr.operator = 'gte' AND prv.value NOT IN (${stringValues}) AND CAST(prv.value AS DECIMAL) > ${maxValue})`
+      )
+
+      // For lt - rule is unsatisfiable if rule_value <= context_min_value
+      sqlConditions.push(
+        `(pr.attribute = ${escapedAttribute} AND pr.operator = 'lt' AND CAST(prv.value AS DECIMAL) <= ${minValue})`
+      )
+
+      // For lte - rule is unsatisfiable if rule_value < context_min_value
+      sqlConditions.push(
+        `(pr.attribute = ${escapedAttribute} AND pr.operator = 'lte' AND prv.value NOT IN (${stringValues}) AND CAST(prv.value AS DECIMAL) < ${minValue})`
+      )
+    }
+  })
+
+  // Handle the case where context has no attributes at all, it means
+  // that any promotion that have a rule cant be satisfied by the context
+  if (attributeValueMap.size === 0) {
+    // If context has no attributes, exclude all promotions that have any rules
+    const notExistsSubquery = (alias: string) =>
+      `
+      NOT EXISTS (
+        SELECT 1 FROM promotion_promotion_rule ppr
+        WHERE ppr.promotion_id = ${alias}.id
+      )
+    `.trim()
+
+    return {
+      [raw((alias) => notExistsSubquery(alias))]: true,
+    }
+  }
+
+  const joinedConditions = sqlConditions.join(" OR ")
+  const queryEstimatedSize = joinedConditions.length
+  const maxQuerySize = 2147483648 * 0.9
+
+  if (queryEstimatedSize > maxQuerySize) {
+    // generated query could be too long
+    return null
+  }
+
+  const notExistsSubquery = (alias: string) =>
+    `
+    NOT EXISTS (
+      SELECT 1 FROM promotion_promotion_rule ppr
+      JOIN promotion_rule pr ON ppr.promotion_rule_id = pr.id
+      LEFT JOIN promotion_rule_value prv ON prv.promotion_rule_id = pr.id
+      WHERE ppr.promotion_id = ${alias}.id
+      AND (${joinedConditions})
+    )
+  `.trim()
+
+  return {
+    [raw((alias) => notExistsSubquery(alias))]: true,
+  }
+}