Refactor Swipe Strategies

backend/db/migrations/20240704123000_create_users_and_cards_tables.sql

@@ -29,8 +29,8 @@ CREATE TABLE IF NOT EXISTS cards
     interval_days INT       NOT NULL DEFAULT 1,
     created       TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
     updated       TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    cardgroup_id  INTEGER   NOT NULL,
-    FOREIGN KEY (cardgroup_id) REFERENCES cardgroups (id)
+    cardgroup_id  BIGINT   NOT NULL,
+    FOREIGN KEY (cardgroup_id) REFERENCES cardgroups (id) ON DELETE CASCADE
 );
 CREATE INDEX idx_cards_id ON cards(id);
 CREATE INDEX idx_cards_front ON cards(front);
@@ -80,11 +80,13 @@ CREATE TABLE IF NOT EXISTS swipe_records
     id   BIGSERIAL PRIMARY KEY,
     user_id BIGINT NOT NULL,
     card_id BIGINT NOT NULL,
+    cardgroup_id  BIGINT   NOT NULL,
     direction TEXT NOT NULL,
     created TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
     updated TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
     FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE,
-    FOREIGN KEY (card_id) REFERENCES cards (id) ON DELETE CASCADE
+    FOREIGN KEY (card_id) REFERENCES cards (id) ON DELETE CASCADE,
+    FOREIGN KEY (cardgroup_id) REFERENCES cardgroups (id) ON DELETE CASCADE
 );
 CREATE INDEX idx_swipe_records_id ON swipe_records(id);
 CREATE INDEX idx_swipe_records_user_id ON swipe_records(user_id);
@@ -174,8 +176,8 @@ DROP FUNCTION IF EXISTS trg_update_timestamp_current();
 
 DROP TABLE IF EXISTS user_roles;
 DROP TABLE IF EXISTS roles;
+DROP TABLE IF EXISTS swipe_records;
 DROP TABLE IF EXISTS cardgroup_users;
 DROP TABLE IF EXISTS cards;
 DROP TABLE IF EXISTS cardgroups;
-DROP TABLE IF EXISTS swipe_records;
 DROP TABLE IF EXISTS users;

backend/graph/db/model.go

@@ -52,10 +52,11 @@ type Role struct {
 }
 
 type SwipeRecord struct {
-	ID        int64     `gorm:"column:id;primaryKey" validate:"number"`
-	UserID    int64     `gorm:"column:user_id" validate:"number"`
-	CardID    int64     `gorm:"column:card_id" validate:"number"`
-	Direction string    `gorm:"column:direction;not null" validate:"required"`
-	Created   time.Time `gorm:"column:created;autoCreateTime"`
-	Updated   time.Time `gorm:"column:updated;autoCreateTime"`
+	ID          int64     `gorm:"column:id;primaryKey" validate:"number"`
+	UserID      int64     `gorm:"column:user_id" validate:"number"`
+	CardID      int64     `gorm:"column:card_id" validate:"number"`
+	CardGroupID int64     `gorm:"column:cardgroup_id" validate:"number"`
+	Direction   string    `gorm:"column:direction;not null" validate:"required"`
+	Created     time.Time `gorm:"column:created;autoCreateTime"`
+	Updated     time.Time `gorm:"column:updated;autoCreateTime"`
 }

backend/graph/schema.graphqls

@@ -101,6 +101,7 @@ type SwipeRecord {
   id: ID!
   userId: ID!
   cardId: ID!
+  cardGroupID: ID!
   direction: String! @validation(format: "required")
   created: Time!
   updated: Time!
@@ -151,6 +152,8 @@ input NewRole {
 
 input NewSwipeRecord {
   userId: ID! @validation(format: "required")
+  cardId: ID! @validation(format: "required")
+  cardGroupID: ID! @validation(format: "required")
   direction: String! @validation(format: "required")
   created: Time!
   updated: Time!

backend/pkg/usecases/swipe_manager/default_state_strategy.go

@@ -0,0 +1,30 @@
+package swipe_manager
+
+import (
+	repository "backend/graph/db"
+	"golang.org/x/net/context"
+)
+
+type defaultStateStrategy struct {
+	swipeManagerUsecase SwipeManagerUsecase
+}
+
+type DefaultStateStrategy interface {
+	SwipeStrategy
+}
+
+// NewDefaultStateStrategy creates a new instance of Def2StateStrategy.
+func NewDefaultStateStrategy(swipeManagerUsecase SwipeManagerUsecase) DefaultStateStrategy {
+	return &defaultStateStrategy{
+		swipeManagerUsecase: swipeManagerUsecase,
+	}
+}
+
+func (d *defaultStateStrategy) ChangeState(ctx context.Context, latestSwipeRecord repository.SwipeRecord) error {
+	// Assuming userID is somehow available in the context or swipeRecords
+	return d.swipeManagerUsecase.ChangeState(ctx, latestSwipeRecord.CardGroupID, latestSwipeRecord.UserID, DEFAULT)
+}
+
+func (d *defaultStateStrategy) IsApplicable(ctx context.Context, latestSwipeRecord repository.SwipeRecord) bool {
+	return true
+}