custom fields have been added to the documents

backend/modules/document/controllers/DocumentFieldValueController.php

@@ -0,0 +1,203 @@
+<?php
+
+namespace backend\modules\document\controllers;
+
+use backend\modules\document\models\DocumentField;
+use backend\modules\document\models\DocumentFieldValue;
+use backend\modules\document\models\DocumentFieldValueSearch;
+use Yii;
+use yii\base\Model;
+use yii\filters\VerbFilter;
+use yii\helpers\ArrayHelper;
+use yii\web\Controller;
+use yii\web\NotFoundHttpException;
+
+/**
+ * DocumentFieldValueController implements the CRUD actions for DocumentFieldValue model.
+ */
+class DocumentFieldValueController extends Controller
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function behaviors()
+    {
+        return [
+            'verbs' => [
+                'class' => VerbFilter::className(),
+                'actions' => [
+                    'delete' => ['POST'],
+                ],
+            ],
+        ];
+    }
+
+    /**
+     * Lists all DocumentFieldValue models.
+     * @return mixed
+     */
+    public function actionIndex()
+    {
+        $searchModel = new DocumentFieldValueSearch();
+        $dataProvider = $searchModel->search(Yii::$app->request->queryParams);
+
+        return $this->render('index', [
+            'searchModel' => $searchModel,
+            'dataProvider' => $dataProvider,
+        ]);
+    }
+
+    /**
+     * Displays a single DocumentFieldValue model.
+     * @param integer $id
+     * @return mixed
+     * @throws NotFoundHttpException if the model cannot be found
+     */
+    public function actionView($id)
+    {
+        return $this->render('view', [
+            'model' => $this->findModel($id),
+        ]);
+    }
+
+    /**
+     * Creates a new DocumentFieldValue model.
+     * If creation is successful, the browser will be redirected to the 'view' page.
+     * @return mixed
+     */
+    public function actionCreate()
+    {
+        $model = new DocumentFieldValue();
+
+        if ($model->load(Yii::$app->request->post()) && $model->save()) {
+            return $this->redirect(['view', 'id' => $model->id]);
+        }
+
+        return $this->render('create', [
+            'model' => $model,
+        ]);
+    }
+
+    /**
+     * Creates a new DocumentFieldValue model.
+     * If creation is successful, the browser will be redirected to the 'view' page.
+     * @return mixed
+     */
+    public function actionCreateMultiple()
+    {
+        $document_id = Yii::$app->request->get('document_id');
+        $fieldNames =  Yii::$app->request->get('fieldNames');
+
+        // fields ID that should be saved in the document
+        $documentFieldsIdList = ArrayHelper::getColumn(
+                DocumentField::find()
+                    ->where(['in', 'field_template', $fieldNames])
+                    ->all(),
+                'id');
+        //already saved fields ID
+        $fieldsValuesIdList = ArrayHelper::getColumn(
+            DocumentFieldValue::find()->where(['document_id' => $document_id]) ->all(), 'document_field_id'
+        );
+        $fieldsIdList = array_diff($documentFieldsIdList, $fieldsValuesIdList);
+
+        $fieldsWithError = [];
+        $documentFieldValues = [];
+        if (empty($fieldsIdList)) {
+            return $this->redirect([
+                'document/view',
+                'id' => $document_id,
+            ]);
+        }
+        else {
+            foreach ($fieldsIdList as $id){
+                $docFieldValue = new DocumentFieldValue();
+                $docFieldValue->document_id = $document_id;
+                $docFieldValue->document_field_id = $id;
+
+                $documentFieldValues[] = $docFieldValue;
+            }
+
+            if (Model::loadMultiple($documentFieldValues, Yii::$app->request->post())) {
+                foreach ($documentFieldValues as $documentFieldValue) {
+                    if (!$documentFieldValue->save()) {
+                        $fieldsWithError[] = $documentFieldValue;
+                    }
+                }
+
+                if (!$fieldsWithError) {
+                    return $this->redirect([
+                        'document/write-fields',
+                        'id' => $document_id,
+                    ]);
+                }
+                $documentFieldValues = $fieldsWithError;
+            }
+        }
+
+        return $this->render('_form_multiple', [
+            'documentFieldValues' => $documentFieldValues,
+        ]);
+    }
+
+
+    /**
+     * Updates an existing DocumentFieldValue model.
+     * If update is successful, the browser will be redirected to the 'view' page.
+     * @param integer $id
+     * @return mixed
+     * @throws NotFoundHttpException if the model cannot be found
+     */
+    public function actionUpdate($id, $fromDocument = null)
+    {
+        $model = $this->findModel($id);
+        $oldValue = $model->value;
+
+        if ($model->load(Yii::$app->request->post()) && $model->save()) {
+            if ($fromDocument) {
+                return $this->redirect([
+                    'document/update-body',
+                    'documentId' => $model->document_id,
+                    'oldValue' => $oldValue,
+                    'newValue' => $model->value
+                ]);
+            }
+
+            return $this->redirect(['view', 'id' => $model->id]);
+        }
+
+        return $this->render('update', [
+            'model' => $model,
+            'fromDocument' =>$fromDocument,
+        ]);
+    }
+
+    /**
+     * Deletes an existing DocumentFieldValue model.
+     * If deletion is successful, the browser will be redirected to the 'index' page.
+     * @param integer $id
+     * @return mixed
+     * @throws NotFoundHttpException if the model cannot be found
+     */
+    public function actionDelete($id)
+    {
+        $this->findModel($id)->delete();
+
+        return $this->redirect(['index']);
+    }
+
+    /**
+     * Finds the DocumentFieldValue model based on its primary key value.
+     * If the model is not found, a 404 HTTP exception will be thrown.
+     * @param integer $id
+     * @return DocumentFieldValue the loaded model
+     * @throws NotFoundHttpException if the model cannot be found
+     */
+    protected function findModel($id)
+    {
+        if (($model = DocumentFieldValue::findOne($id)) !== null) {
+            return $model;
+        }
+
+        throw new NotFoundHttpException('The requested page does not exist.');
+    }
+}