diff --git a/back/models/dms.js b/back/models/dms.js
index d6eab4fe4..b21a91a8a 100644
--- a/back/models/dms.js
+++ b/back/models/dms.js
@@ -16,13 +16,12 @@ module.exports = Self => {
         return await models.DmsType.hasReadRole(ctx, dms.dmsTypeFk);
     };
 
-    Self.getFile = async function(id) {
-        const models = Self.app.models;
-        const DmsContainer = models.DmsContainer;
+    Self.getFile = async function(id, container = 'DmsContainer') {
+        const Container = Self.app.models.models[container];
         const dms = await Self.findById(id);
-        const pathHash = DmsContainer.getHash(dms.id);
+        const pathHash = Container.getHash(dms.id);
         try {
-            await DmsContainer.getFile(pathHash, dms.file);
+            await Container.getFile(pathHash, dms.file);
         } catch (e) {
             if (e.code != 'ENOENT')
                 throw e;
@@ -33,7 +32,7 @@ module.exports = Self => {
             throw error;
         }
 
-        const stream = DmsContainer.downloadStream(pathHash, dms.file);
+        const stream = Container.downloadStream(pathHash, dms.file);
 
         return [stream, dms.contentType, `filename="${dms.file}"`];
     };
@@ -65,4 +64,67 @@ module.exports = Self => {
         await stream.pipe(writeStream);
         return dms;
     };
+
+    Self.uploadFileTemplate = async(ctx, id, model, foreignKey, options) => {
+        const {Dms, [model]: modelDms} = Self.app.models;
+        const myOptions = {};
+        let tx;
+
+        if (typeof options == 'object')
+            Object.assign(myOptions, options);
+
+        if (!myOptions.transaction) {
+            tx = await Self.beginTransaction({});
+            myOptions.transaction = tx;
+        }
+
+        try {
+            const uploadedFiles = await Dms.uploadFile(ctx, myOptions);
+            const promises = uploadedFiles.map(dms =>
+                modelDms.create({
+                    [foreignKey]: id,
+                    dmsFk: dms.id
+                }, myOptions)
+
+            );
+            await Promise.all(promises);
+
+            if (tx) await tx.commit();
+
+            return uploadedFiles;
+        } catch (e) {
+            if (tx) await tx.rollback();
+            throw e;
+        }
+    };
+
+    Self.removeFileTemplate = async(ctx, id, currentSelf, options) => {
+        const myOptions = {};
+        let tx;
+
+        if (typeof options == 'object')
+            Object.assign(myOptions, options);
+
+        if (!myOptions.transaction) {
+            tx = await currentSelf.beginTransaction({});
+            myOptions.transaction = tx;
+        }
+
+        try {
+            const targetModelDms = await currentSelf.findById(id, null, myOptions);
+            const targetDms = await Self.removeFile(ctx, targetModelDms.dmsFk, myOptions);
+
+            if (!targetDms || !targetModelDms)
+                throw new UserError('Try again');
+
+            const modelDmsDestroyed = await targetModelDms.destroy(myOptions);
+
+            if (tx) await tx.commit();
+
+            return modelDmsDestroyed;
+        } catch (e) {
+            if (tx) await tx.rollback();
+            throw e;
+        }
+    };
 };
diff --git a/modules/claim/back/methods/claim-dms/removeFile.js b/modules/claim/back/methods/claim-dms/removeFile.js
index 28e78c9d7..eb3adea31 100644
--- a/modules/claim/back/methods/claim-dms/removeFile.js
+++ b/modules/claim/back/methods/claim-dms/removeFile.js
@@ -1,5 +1,3 @@
-const UserError = require('vn-loopback/util/user-error');
-
 module.exports = Self => {
     Self.remoteMethodCtx('removeFile', {
         description: 'Removes a claim document',
@@ -20,35 +18,7 @@ module.exports = Self => {
         }
     });
 
-    Self.removeFile = async(ctx, id, options) => {
-        const myOptions = {};
-        let tx;
-
-        if (typeof options == 'object')
-            Object.assign(myOptions, options);
-
-        if (!myOptions.transaction) {
-            tx = await Self.beginTransaction({});
-            myOptions.transaction = tx;
-        }
-
-        try {
-            const claimDms = await Self.findById(id, null, myOptions);
-
-            const targetDms = await Self.app.models.Dms.removeFile(ctx, claimDms.dmsFk, myOptions);
-
-            if (!targetDms || ! claimDms)
-                throw new UserError('Try again');
-
-            const claimDmsDestroyed = await claimDms.destroy(myOptions);
-
-            if (tx) await tx.commit();
-
-            return claimDmsDestroyed;
-        } catch (e) {
-            if (tx) await tx.rollback();
-            throw e;
-        }
-    };
+    Self.removeFile = async(ctx, id, options) =>
+        Self.app.models.Dms.removeFileTemplate(ctx, id, Self, options);
 };
 
diff --git a/modules/client/back/methods/client-dms/removeFile.js b/modules/client/back/methods/client-dms/removeFile.js
index bc9a0f719..2cab64d28 100644
--- a/modules/client/back/methods/client-dms/removeFile.js
+++ b/modules/client/back/methods/client-dms/removeFile.js
@@ -18,35 +18,7 @@ module.exports = Self => {
         }
     });
 
-    Self.removeFile = async(ctx, id, options) => {
-        const myOptions = {};
-        let tx;
-
-        if (typeof options == 'object')
-            Object.assign(myOptions, options);
-
-        if (!myOptions.transaction) {
-            tx = await Self.beginTransaction({});
-            myOptions.transaction = tx;
-        }
-
-        try {
-            const clientDms = await Self.findById(id, null, myOptions);
-
-            const targetDms = await Self.app.models.Dms.removeFile(ctx, clientDms.dmsFk, myOptions);
-
-            if (!targetDms || !clientDms)
-                throw new UserError('Try again');
-
-            const clientDmsDestroyed = await clientDms.destroy(myOptions);
-
-            if (tx) await tx.commit();
-
-            return clientDmsDestroyed;
-        } catch (e) {
-            if (tx) await tx.rollback();
-            throw e;
-        }
-    };
+    Self.removeFile = async(ctx, id, options) =>
+        Self.app.models.Dms.removeFileTemplate(ctx, id, Self, options);
 };
 
diff --git a/modules/entry/back/methods/entry-dms/removeFile.js b/modules/entry/back/methods/entry-dms/removeFile.js
index 89a87755c..f28c3fa2b 100644
--- a/modules/entry/back/methods/entry-dms/removeFile.js
+++ b/modules/entry/back/methods/entry-dms/removeFile.js
@@ -1,5 +1,3 @@
-const UserError = require('vn-loopback/util/user-error');
-
 module.exports = Self => {
     Self.remoteMethodCtx('removeFile', {
         description: 'Removes a entry document',
@@ -20,34 +18,7 @@ module.exports = Self => {
         }
     });
 
-    Self.removeFile = async(ctx, id, options) => {
-        const myOptions = {};
-        let tx;
-
-        if (typeof options == 'object')
-            Object.assign(myOptions, options);
-
-        if (!myOptions.transaction) {
-            tx = await Self.beginTransaction({});
-            myOptions.transaction = tx;
-        }
-
-        try {
-            const targetEntryDms = await Self.findById(id, null, myOptions);
-            const targetDms = await Self.app.models.Dms.removeFile(ctx, targetEntryDms.dmsFk, myOptions);
-
-            if (!targetDms)
-                throw new UserError('Try again');
-
-            const entryDmsDestroyed = await targetEntryDms.destroy(myOptions);
-
-            if (tx) await tx.commit();
-
-            return entryDmsDestroyed;
-        } catch (e) {
-            if (tx) await tx.rollback();
-            throw e;
-        }
-    };
+    Self.removeFile = async(ctx, id, options) =>
+        Self.app.models.Dms.removeFileTemplate(ctx, id, Self, options);
 };
 
diff --git a/modules/supplier/back/methods/supplier/supplier-dms/removeFile.js b/modules/supplier/back/methods/supplier/supplier-dms/removeFile.js
index 04a9011f1..3671a747c 100644
--- a/modules/supplier/back/methods/supplier/supplier-dms/removeFile.js
+++ b/modules/supplier/back/methods/supplier/supplier-dms/removeFile.js
@@ -1,5 +1,3 @@
-const UserError = require('vn-loopback/util/user-error');
-
 module.exports = Self => {
     Self.remoteMethodCtx('removeFile', {
         description: 'Removes a entry document',
@@ -20,34 +18,7 @@ module.exports = Self => {
         }
     });
 
-    Self.removeFile = async(ctx, id, options) => {
-        const myOptions = {};
-        let tx;
-
-        if (typeof options == 'object')
-            Object.assign(myOptions, options);
-
-        if (!myOptions.transaction) {
-            tx = await Self.beginTransaction({});
-            myOptions.transaction = tx;
-        }
-
-        try {
-            const targetSupplierDms = await Self.findById(id, null, myOptions);
-            const targetDms = await Self.app.models.Dms.removeFile(ctx, targetSupplierDms.dmsFk, myOptions);
-
-            if (!targetDms)
-                throw new UserError('Try again');
-
-            const supplierDmsDestroyed = await targetSupplierDms.destroy(myOptions);
-
-            if (tx) await tx.commit();
-
-            return supplierDmsDestroyed;
-        } catch (e) {
-            if (tx) await tx.rollback();
-            throw e;
-        }
-    };
+    Self.removeFile = async(ctx, id, options) =>
+        Self.app.models.Dms.removeFileTemplate(ctx, id, Self, options);
 };
 
diff --git a/modules/ticket/back/methods/ticket-dms/removeFile.js b/modules/ticket/back/methods/ticket-dms/removeFile.js
index 6fba4c552..54fc5ff56 100644
--- a/modules/ticket/back/methods/ticket-dms/removeFile.js
+++ b/modules/ticket/back/methods/ticket-dms/removeFile.js
@@ -18,35 +18,7 @@ module.exports = Self => {
         }
     });
 
-    Self.removeFile = async(ctx, id, options) => {
-        const myOptions = {};
-        let tx;
-
-        if (typeof options == 'object')
-            Object.assign(myOptions, options);
-
-        if (!myOptions.transaction) {
-            tx = await Self.beginTransaction({});
-            myOptions.transaction = tx;
-        }
-
-        try {
-            const ticketDms = await Self.findById(id, null, myOptions);
-
-            const targetDms = await Self.app.models.Dms.removeFile(ctx, ticketDms.dmsFk, myOptions);
-
-            if (!targetDms || !ticketDms)
-                throw new UserError('Try again');
-
-            const ticketDmsDestroyed = await ticketDms.destroy(myOptions);
-
-            if (tx) await tx.commit();
-
-            return ticketDmsDestroyed;
-        } catch (e) {
-            if (tx) await tx.rollback();
-            throw e;
-        }
-    };
+    Self.removeFile = async(ctx, id, options) =>
+        Self.app.models.Dms.removeFileTemplate(ctx, id, Self, options);
 };
 
diff --git a/modules/worker/back/methods/worker-dms/removeFile.js b/modules/worker/back/methods/worker-dms/removeFile.js
index 8eb6c05fd..540b8ff84 100644
--- a/modules/worker/back/methods/worker-dms/removeFile.js
+++ b/modules/worker/back/methods/worker-dms/removeFile.js
@@ -18,35 +18,7 @@ module.exports = Self => {
         }
     });
 
-    Self.removeFile = async(ctx, dmsFk, options) => {
-        const myOptions = {};
-        let tx;
-        if (typeof options == 'object')
-            Object.assign(myOptions, options);
-
-        if (!myOptions.transaction) {
-            tx = await Self.beginTransaction({});
-            myOptions.transaction = tx;
-        }
-
-        try {
-            const WorkerDms = await Self.findOne({
-                where: {document: dmsFk}
-            }, myOptions);
-
-            const targetDms = await Self.app.models.Dms.removeFile(ctx, dmsFk, myOptions);
-
-            if (!targetDms || !WorkerDms)
-                throw new UserError('Try again');
-
-            const workerDmsDestroyed = await WorkerDms.destroy(myOptions);
-            if (tx) await tx.commit();
-
-            return workerDmsDestroyed;
-        } catch (e) {
-            await tx.rollback();
-            throw e;
-        }
-    };
+    Self.removeFile = async(ctx, id, options) =>
+        Self.app.models.Dms.removeFileTemplate(ctx, id, Self, options);
 };