Add settings converter and collection

Signed-off-by: Marius David Wieschollek <passwords.public@mdns.eu>

4 files changed, 134 insertions, 15 deletions

diff --git a/src/Collection/AbstractCollection.js b/src/Collection/AbstractCollection.js
index e187af4..5947cf4 100644
--- a/src/Collection/AbstractCollection.js
+++ b/src/Collection/AbstractCollection.js
@@ -107,16 +107,16 @@ export default class AbstractCollection {
     }
 
     /**
-     * @return {Object[]}
+     * @return {String[]}
      */
     toJSON() {
         let json = [];
 
         for(let element of this._elements) {
-            json.push(element.toJSON());
+            json.push(this._converter.toObject(element));
         }
 
-        return json;
+        return JSON.stringify(json);
     }
 
     [Symbol.iterator]() {
diff --git a/src/Collection/SettingCollection.js b/src/Collection/SettingCollection.js
new file mode 100644
index 0000000..5f5e9ac
--- /dev/null
+++ b/src/Collection/SettingCollection.js
@@ -0,0 +1,5 @@
+import AbstractCollection from './AbstractCollection';
+
+export default class SettingCollection extends AbstractCollection {
+
+}
\ No newline at end of file
diff --git a/src/Converter/SettingConverter.js b/src/Converter/SettingConverter.js
new file mode 100644
index 0000000..463aef7
--- /dev/null
+++ b/src/Converter/SettingConverter.js
@@ -0,0 +1,97 @@
+export default class SettingConverter {
+
+    /**
+     * @param {Api} api
+     */
+    constructor(api) {
+        this._api = api;
+        /** @type {Cache} **/
+        this._cache = api.getInstance('cache.cache');
+    }
+
+    /**
+     *
+     * @param {String} json
+     * @return {(SettingCollection|Setting)}
+     */
+    fromJSON(json) {
+        let object = JSON.parse(json);
+
+        if(Array.isArray(object)) {
+            return this.fromArray(object);
+        }
+
+        return this.fromObject(object);
+    }
+
+    /**
+     *
+     * @param {Object} object
+     * @return {Setting}
+     */
+    fromObject(object) {
+        let key = `setting.${object.scope}.${object.name}`;
+
+        if(this._cache.has(key)) {
+            /** @type {Setting} **/
+            let setting = this._cache.get(key);
+            if(setting.getValue() !== object.value) setting.setValue(object.value);
+
+            return setting;
+        }
+
+        let setting = this._api.getClass('model.setting', object.name, object.value, object.scope);
+        this._cache.set(key, setting, 'setting.model');
+
+        return setting;
+    }
+
+    /**
+     *
+     * @param {Object[]} array
+     * @return {SettingCollection}
+     */
+    fromArray(array) {
+        let settings = [];
+
+        for(let setting of array) {
+            settings.push(this.fromObject(setting));
+        }
+
+        return this._api.getInstance('collection.setting', settings);
+    }
+
+    /**
+     * @param {SettingCollection} collection
+     * @return {Object[]}
+     */
+    toArray(collection) {
+        let array = [];
+
+        for(let field of collection) {
+            array.push(this.toObject(field));
+        }
+
+        return array;
+    }
+
+    /**
+     * @param {Setting} setting
+     * @return {Object}
+     */
+    toObject(setting) {
+        return {
+            scope: setting.scope,
+            name : setting.name,
+            value: setting.value
+        };
+    }
+
+    /**
+     * @param {Setting} setting
+     * @return {String}
+     */
+    toJSON(setting) {
+        return JSON.stringify(setting);
+    }
+}
\ No newline at end of file
diff --git a/src/Model/Setting/Setting.js b/src/Model/Setting/Setting.js
index 3a73bdb..451f44d 100644
--- a/src/Model/Setting/Setting.js
+++ b/src/Model/Setting/Setting.js
@@ -5,28 +5,28 @@ export default class Setting {
     /**
      * @return {String}
      */
-    get SCOPE_USER() {
-        return 'user';
+    static get SCOPE_SERVER() {
+        return 'server';
     }
 
     /**
      * @return {String}
      */
-    get SCOPE_SERVER() {
-        return 'server';
+    static get SCOPE_USER() {
+        return 'user';
     }
 
     /**
      * @return {String}
      */
-    get SCOPE_CLIENT() {
+    static get SCOPE_CLIENT() {
         return 'client';
     }
 
     /**
      * @return {String[]}
      */
-    get SCOPES() {
+    static get SCOPES() {
         return [
             this.SCOPE_USER,
             this.SCOPE_SERVER,
@@ -73,9 +73,7 @@ export default class Setting {
      * @param {String} value
      */
     set scope(value) {
-        if(this.SCOPES.indexOf(value) === -1) {
-            throw new InvalidScopeError(value);
-        }
+        this._checkScope(value);
 
         this._scope = value;
     }
@@ -86,9 +84,7 @@ export default class Setting {
      * @param {String} scope
      */
     constructor(name, value, scope = 'client') {
-        if(this.SCOPES.indexOf(scope) === -1) {
-            throw new InvalidScopeError(scope);
-        }
+        this._checkScope(scope);
 
         this._name = name;
         this._value = value;
@@ -148,4 +144,25 @@ export default class Setting {
 
         return this;
     }
+
+    /**
+     * @param {String} scope
+     * @private
+     */
+    _checkScope(scope) {
+        if(Setting.SCOPES.indexOf(scope) === -1) {
+            throw new InvalidScopeError(scope);
+        }
+    }
+
+    /**
+     * @return {{scope: String, name: String, value: String}}
+     */
+    toJSON() {
+        return {
+            scope: this._scope,
+            name : this._name,
+            value: this._value
+        };
+    }
 }
\ No newline at end of file