42: add product group interiors mutation (#44)

src/datasources/product-api.ts

@@ -440,6 +440,91 @@ export class ProductAPI extends BaseSQLDataSource {
     }
   }
 
+  /**
+   * @func productGroupInteriors
+   *
+   * @param productId The product id for the targeted product
+   * @param groupId The targeted group id, if product does not have group it will be created
+   * @param roomNames The roomNames that should be inserted to the product group, the position is the order of the list.
+   */
+  async addInteriorsToProductGroup(
+    productId: number,
+    groupId: number,
+    roomNames: string[],
+  ): Promise<Promise<void>[]> {
+    // We need to room ids from the roomNames to insert into interiors table
+    const roomIdResponse = await this.knex.raw(
+      `SELECT id, name FROM rooms WHERE name IN (${roomNames
+        .map((roomName) => `'${roomName}'`)
+        .join(',')});`,
+    );
+
+    const roomIdsForInsert = [];
+    // Sort the id and name correct
+    for (const roomName of roomNames) {
+      roomIdsForInsert.push(
+        roomIdResponse.rows.filter((item) => {
+          return item.name === roomName;
+        })[0].id,
+      );
+    }
+
+    // Get all the printproducts from the productId defined.
+    // This is needed for the insert and for the check if a product
+    // has the defined group or not.
+    const allPrintProducts = await this.knex.raw(
+      `SELECT printid, groupid FROM "product-printproducts" WHERE productid = ?`,
+      [productId],
+    );
+
+    // Predefine the print id needed for insert.
+    let insertPrintId;
+
+    // Map out the group ids.
+    const currentGroupIds = allPrintProducts.rows.map(({ groupid }) => groupid);
+
+    // This product does not have group with groupId
+    if (!currentGroupIds.includes(groupId)) {
+      await this.updateGroups(productId, currentGroupIds.concat([groupId]));
+
+      // Get the new printId
+      const printIdsResponse = await this.knex.raw(
+        `SELECT printid FROM "product-printproducts" WHERE productid = ? AND groupid = ?`,
+        [productId, groupId],
+      );
+      insertPrintId = printIdsResponse.rows.map(({ printid }) => printid)[0];
+    } else {
+      // This product had the targeted groupid, then we use
+      // the previous query for printId to save some DB calls.
+      insertPrintId = allPrintProducts.rows
+        .map(({ printid, groupid }) => {
+          if (groupid === groupId) {
+            return printid;
+          }
+        })
+        .filter(Boolean)[0]; // Remove falsy
+    }
+
+    // Delete all prior interiors
+    await this.knex.raw(`DELETE FROM interiors WHERE print_id = ?`, [
+      insertPrintId,
+    ]);
+
+    // Insert room-ids, printids and position into "interiors" table.
+    const insertPromises = [];
+    roomIdsForInsert.forEach((roomId, index) => {
+      // The position is determined by the order of roomNames variable.
+      insertPromises.push(
+        this.knex.raw(
+          `INSERT INTO interiors (print_id, room_id, position) VALUES (?, ?, ?)`,
+          [insertPrintId, roomId, index],
+        ),
+      );
+    });
+
+    return Promise.all(insertPromises);
+  }
+
   async setProportionsWarning(
     productId: number,
     proportions: ProductProportionsInput,