Add custom metadata provider controller, update model, move to item metadata utils

server/models/CustomMetadataProvider.js

@@ -1,4 +1,12 @@
-const { DataTypes, Model, Sequelize } = require('sequelize')
+const { DataTypes, Model } = require('sequelize')
+
+/**
+ * @typedef ClientCustomMetadataProvider
+ * @property {UUIDV4} id
+ * @property {string} name
+ * @property {string} url
+ * @property {string} slug
+ */
 
 class CustomMetadataProvider extends Model {
   constructor(values, options) {
@@ -7,26 +15,67 @@ class CustomMetadataProvider extends Model {
     /** @type {UUIDV4} */
     this.id
     /** @type {string} */
+    this.mediaType
+    /** @type {string} */
     this.name
     /** @type {string} */
     this.url
     /** @type {string} */
-    this.apiKey
+    this.authHeaderValue
+    /** @type {Object} */
+    this.extraData
+    /** @type {Date} */
+    this.createdAt
+    /** @type {Date} */
+    this.updatedAt
   }
 
   getSlug() {
     return `custom-${this.id}`
   }
 
-  toUserJson() {
+  /**
+   * Safe for clients
+   * @returns {ClientCustomMetadataProvider}
+   */
+  toClientJson() {
     return {
-      name: this.name,
       id: this.id,
+      name: this.name,
+      mediaType: this.mediaType,
       slug: this.getSlug()
     }
   }
 
+  /**
+   * Get providers for client by media type
+   * Currently only available for "book" media type
+   * 
+   * @param {string} mediaType 
+   * @returns {Promise<ClientCustomMetadataProvider[]>}
+   */
+  static async getForClientByMediaType(mediaType) {
+    if (mediaType !== 'book') return []
+    const customMetadataProviders = await this.findAll({
+      where: {
+        mediaType
+      }
+    })
+    return customMetadataProviders.map(cmp => cmp.toClientJson())
+  }
 
+  /**
+   * Check if provider exists by slug
+   * 
+   * @param {string} providerSlug 
+   * @returns {Promise<boolean>}
+   */
+  static async checkExistsBySlug(providerSlug) {
+    const providerId = providerSlug?.split?.('custom-')[1]
+    if (!providerId) return false
+
+    return (await this.count({ where: { id: providerId } })) > 0
+  }
 
   /**
    * Initialize model
@@ -40,8 +89,10 @@ class CustomMetadataProvider extends Model {
         primaryKey: true
       },
       name: DataTypes.STRING,
+      mediaType: DataTypes.STRING,
       url: DataTypes.STRING,
-      apiKey: DataTypes.STRING,
+      authHeaderValue: DataTypes.STRING,
+      extraData: DataTypes.JSON
     }, {
       sequelize,
       modelName: 'customMetadataProvider'