Feat[BE]: create project budget repo, entity, and migration

internal/database/migrations/20251127070744_create_project_budgets.down.sql

@@ -0,0 +1,2 @@
+DROP Table IF EXISTS project_budgets;
+

internal/database/migrations/20251127070744_create_project_budgets.up.sql

@@ -0,0 +1,31 @@
+CREATE TABLE project_budgets (
+    id BIGSERIAL PRIMARY KEY,
+    project_flock_id BIGINT NOT NULL,
+    nonstock_id BIGINT NOT NULL,
+    qty NUMERIC(15, 3) NOT NULL,
+    price NUMERIC(15, 3) NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT now()
+);
+
+-- Tambahkan Foreign Key ke project_flocks
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'project_flocks') THEN
+        ALTER TABLE project_budgets
+            ADD CONSTRAINT fk_project_budgets_project_flock_id 
+            FOREIGN KEY (project_flock_id) REFERENCES project_flocks(id);
+    END IF;
+END $$;
+-- Tambahkan Foreign Key ke nonstocks
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'nonstocks') THEN
+        ALTER TABLE project_budgets
+            ADD CONSTRAINT fk_project_budgets_nonstock_id 
+            FOREIGN KEY (nonstock_id) REFERENCES nonstocks(id);
+    END IF;
+END $$;
+-- Index
+CREATE INDEX idx_project_budgets_project_flock_id ON project_budgets (project_flock_id);
+
+CREATE INDEX idx_project_budgets_nonstock_id ON project_budgets (nonstock_id);

internal/entities/project_budget.go

@@ -0,0 +1,15 @@
+package entities
+
+import (
+	"time"
+)
+
+type ProjectBudget struct {
+	Id        uint      `gorm:"primaryKey"`
+	Qty       float64   `gorm:"type:numeric(15,3);not null"`
+	Price     float64   `gorm:"type:numeric(15,3);not null"`
+	CreatedAt time.Time `gorm:"autoCreateTime"`
+
+	Nonstock     *Nonstock     `gorm:"foreignKey:Id;references:Id"`
+	ProjectFlock *ProjectFlock `gorm:"foreignKey:Id;references:Id"`
+}

internal/modules/production/project_flocks/repositories/project_budget.repository.go

@@ -0,0 +1,23 @@
+package repository
+
+import (
+	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gorm.io/gorm"
+)
+
+type ProjectBudgetRepository interface {
+	repository.BaseRepository[entity.ProjectBudget]
+}
+
+type ProjectBudgetRepositoryImpl struct {
+	*repository.BaseRepositoryImpl[entity.ProjectBudget]
+	db *gorm.DB
+}
+
+func NewProjectBudgetRepository(db *gorm.DB) ProjectBudgetRepository {
+	return &ProjectBudgetRepositoryImpl{
+		BaseRepositoryImpl: repository.NewBaseRepository[entity.ProjectBudget](db),
+		db:                 db,
+	}
+}