init depresiasi

internal/database/migrations/20260415050222_create_house_depreciation_standards_and_add_house_type_to_kandangs..down.sql

@@ -0,0 +1,6 @@
+ALTER TABLE kandangs
+    DROP COLUMN IF EXISTS house_type;
+
+DROP TABLE IF EXISTS house_depreciation_standards;
+
+DROP TYPE IF EXISTS house_type_enum;

internal/database/migrations/20260415050222_create_house_depreciation_standards_and_add_house_type_to_kandangs..up.sql

@@ -0,0 +1,18 @@
+CREATE TYPE house_type_enum AS ENUM ('open_house', 'close_house');
+
+CREATE TABLE house_depreciation_standards (
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR(100),
+    effective_date DATE,
+    house_type house_type_enum NOT NULL,
+    day INT NOT NULL
+        CHECK (day >= 0),
+    depreciation_percent NUMERIC(15, 6) NOT NULL
+        CHECK (depreciation_percent >= 0 AND depreciation_percent <= 100),
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    CONSTRAINT house_depreciation_standards_house_type_day_unique UNIQUE (house_type, day)
+);
+
+ALTER TABLE kandangs
+    ADD COLUMN house_type house_type_enum;

internal/database/migrations/20260416090000_create_farm_depreciation_snapshots.down.sql

@@ -0,0 +1,4 @@
+DROP INDEX IF EXISTS idx_farm_depreciation_snapshots_project_flock_id;
+DROP INDEX IF EXISTS idx_farm_depreciation_snapshots_period_date;
+DROP TABLE IF EXISTS farm_depreciation_snapshots;
+

internal/database/migrations/20260416090000_create_farm_depreciation_snapshots.up.sql

@@ -0,0 +1,22 @@
+CREATE TABLE IF NOT EXISTS farm_depreciation_snapshots (
+    id BIGSERIAL PRIMARY KEY,
+    project_flock_id BIGINT NOT NULL
+        REFERENCES project_flocks(id)
+        ON UPDATE CASCADE
+        ON DELETE CASCADE,
+    period_date DATE NOT NULL,
+    depreciation_percent_effective NUMERIC(15, 6) NOT NULL DEFAULT 0,
+    depreciation_value NUMERIC(18, 3) NOT NULL DEFAULT 0,
+    pullet_cost_day_n_total NUMERIC(18, 3) NOT NULL DEFAULT 0,
+    components JSONB NOT NULL DEFAULT '{}'::jsonb,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    CONSTRAINT farm_depreciation_snapshots_unique UNIQUE (project_flock_id, period_date)
+);
+
+CREATE INDEX IF NOT EXISTS idx_farm_depreciation_snapshots_period_date
+    ON farm_depreciation_snapshots (period_date);
+
+CREATE INDEX IF NOT EXISTS idx_farm_depreciation_snapshots_project_flock_id
+    ON farm_depreciation_snapshots (project_flock_id);
+

internal/database/migrations/20260417110000_create_farm_depreciation_manual_inputs.down.sql

@@ -0,0 +1,2 @@
+DROP INDEX IF EXISTS idx_farm_depreciation_manual_inputs_project_flock_id;
+DROP TABLE IF EXISTS farm_depreciation_manual_inputs;

internal/database/migrations/20260417110000_create_farm_depreciation_manual_inputs.up.sql

@@ -0,0 +1,16 @@
+CREATE TABLE IF NOT EXISTS farm_depreciation_manual_inputs (
+    id BIGSERIAL PRIMARY KEY,
+    project_flock_id BIGINT NOT NULL
+        REFERENCES project_flocks(id)
+        ON UPDATE CASCADE
+        ON DELETE CASCADE,
+    total_cost NUMERIC(18, 3) NOT NULL DEFAULT 0
+        CHECK (total_cost >= 0),
+    note TEXT NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    CONSTRAINT farm_depreciation_manual_inputs_unique UNIQUE (project_flock_id)
+);
+
+CREATE INDEX IF NOT EXISTS idx_farm_depreciation_manual_inputs_project_flock_id
+    ON farm_depreciation_manual_inputs (project_flock_id);