From 3a6c11dcd5389234b82def3a679f223210a47845 Mon Sep 17 00:00:00 2001
From: "Deepak Pradhan (Varun)" <37866666+varun2948@users.noreply.github.com>
Date: Thu, 19 Oct 2023 17:55:22 +0545
Subject: [PATCH] fix: warning message before project creation action is
 cancelled (#924)

* feat: handleInput Change
Replaced handlecustomchange with handleinputchanges

* feat: SetIsUnsavedChanges added on first submit click

* feat: custom hook for handling form exit on create project

* feat: list of url to not block for form

* feat: isUnsavedChanges action added

* feat(CreateProject): prompt for blocking form exit
- Fixes Warning message before project creation action is cancelled #700
---
 .../createnewproject/ProjectDetailsForm.tsx   | 22 +++++++++++++------
 .../createnewproject/SplitTasks.tsx           |  2 ++
 src/frontend/src/constants/blockerUrl.ts      |  2 ++
 src/frontend/src/hooks/Prompt.tsx             | 18 +++++++++++++++
 .../src/store/slices/CreateProjectSlice.ts    |  5 +++++
 .../src/store/types/ICreateProject.ts         |  1 +
 src/frontend/src/views/CreateNewProject.tsx   |  7 ++++--
 7 files changed, 48 insertions(+), 9 deletions(-)
 create mode 100644 src/frontend/src/constants/blockerUrl.ts
 create mode 100644 src/frontend/src/hooks/Prompt.tsx

diff --git a/src/frontend/src/components/createnewproject/ProjectDetailsForm.tsx b/src/frontend/src/components/createnewproject/ProjectDetailsForm.tsx
index 4bf5e29cfd..977d6e9522 100644
--- a/src/frontend/src/components/createnewproject/ProjectDetailsForm.tsx
+++ b/src/frontend/src/components/createnewproject/ProjectDetailsForm.tsx
@@ -29,7 +29,7 @@ const ProjectDetailsForm = ({ flag }) => {
     navigate('/upload-area');
   };
 
-  const { handleSubmit, handleCustomChange, values, errors, checkValidationOnly }: any = useForm(
+  const { handleSubmit, handleChange, handleCustomChange, values, errors, checkValidationOnly }: any = useForm(
     projectDetails,
     submission,
     CreateProjectValidation,
@@ -72,7 +72,10 @@ const ProjectDetailsForm = ({ flag }) => {
       e.preventDefault();
     }
   };
-
+  const handleInputChanges = (e) => {
+    handleChange(e);
+    dispatch(CreateProjectActions.SetIsUnsavedChanges(true));
+  };
   return (
     <div className="fmtm-flex fmtm-gap-7 fmtm-flex-col lg:fmtm-flex-row">
       <div className="fmtm-bg-white xl:fmtm-w-[17%] fmtm-px-5 fmtm-py-6">
@@ -92,45 +95,50 @@ const ProjectDetailsForm = ({ flag }) => {
           <div className="fmtm-flex fmtm-flex-col fmtm-gap-6 md:fmtm-w-[50%]">
             <InputTextField
               id="name"
+              name="name"
               label="Project Name"
               value={values?.name}
-              onChange={(e) => handleCustomChange('name', e.target.value)}
+              onChange={handleInputChanges}
               fieldType="text"
               required
               errorMsg={errors.name}
             />
             <TextArea
               id="short_description"
+              name="short_description"
               label="Short Description"
               rows={3}
               value={values?.short_description}
-              onChange={(e) => handleCustomChange('short_description', e.target.value)}
+              onChange={handleInputChanges}
               required
               errorMsg={errors.short_description}
             />
             <InputTextField
               id="odk_central_url"
+              name="odk_central_url"
               label="ODK Central URL"
               value={values?.odk_central_url}
-              onChange={(e) => handleCustomChange('odk_central_url', e.target.value)}
+              onChange={handleChange}
               fieldType="text"
               required
               errorMsg={errors.odk_central_url}
             />
             <InputTextField
               id="odk_central_user"
+              name="odk_central_user"
               label="Central ODK Email/Username"
               value={values?.odk_central_user}
-              onChange={(e) => handleCustomChange('odk_central_user', e.target.value)}
+              onChange={handleChange}
               fieldType="text"
               required
               errorMsg={errors.odk_central_user}
             />
             <InputTextField
               id="odk_central_password"
+              name="odk_central_password"
               label="Central ODK Password"
               value={values?.odk_central_password}
-              onChange={(e) => handleCustomChange('odk_central_password', e.target.value)}
+              onChange={handleChange}
               fieldType="password"
               required
               errorMsg={errors.odk_central_password}
diff --git a/src/frontend/src/components/createnewproject/SplitTasks.tsx b/src/frontend/src/components/createnewproject/SplitTasks.tsx
index f1bfad98fd..0b372163b1 100644
--- a/src/frontend/src/components/createnewproject/SplitTasks.tsx
+++ b/src/frontend/src/components/createnewproject/SplitTasks.tsx
@@ -62,6 +62,8 @@ const SplitTasks = ({ flag, geojsonFile, setGeojsonFile, customLineUpload, custo
   };
 
   const submission = () => {
+    dispatch(CreateProjectActions.SetIsUnsavedChanges(false));
+
     const blob = new Blob([JSON.stringify(dividedTaskGeojson || drawnGeojson)], { type: 'application/json' });
 
     // Create a file object from the Blob
diff --git a/src/frontend/src/constants/blockerUrl.ts b/src/frontend/src/constants/blockerUrl.ts
new file mode 100644
index 0000000000..3e31d03279
--- /dev/null
+++ b/src/frontend/src/constants/blockerUrl.ts
@@ -0,0 +1,2 @@
+const pathNotToBlock = ['/select-form', '/data-extract', '/split-tasks', '/upload-area', '/create-project'];
+export default pathNotToBlock;
diff --git a/src/frontend/src/hooks/Prompt.tsx b/src/frontend/src/hooks/Prompt.tsx
new file mode 100644
index 0000000000..79915cc18a
--- /dev/null
+++ b/src/frontend/src/hooks/Prompt.tsx
@@ -0,0 +1,18 @@
+import React from 'react';
+import pathNotToBlock from '../constants/blockerUrl';
+import { unstable_useBlocker as useBlocker } from 'react-router-dom';
+
+function Prompt(props) {
+  const block = props.when;
+  useBlocker(({ nextLocation }) => {
+    console.log(nextLocation, 'next');
+    if (block && !pathNotToBlock.includes(nextLocation.pathname)) {
+      return !window.confirm(props.message);
+    }
+    return false;
+  });
+
+  return <div key={block} />;
+}
+
+export default Prompt;
diff --git a/src/frontend/src/store/slices/CreateProjectSlice.ts b/src/frontend/src/store/slices/CreateProjectSlice.ts
index 636be30b51..e1e25bf88f 100755
--- a/src/frontend/src/store/slices/CreateProjectSlice.ts
+++ b/src/frontend/src/store/slices/CreateProjectSlice.ts
@@ -46,6 +46,7 @@ export const initialState: CreateProjectStateTypes = {
   buildingGeojson: null,
   lineGeojson: null,
   createProjectValidations: {},
+  isUnsavedChanges: false,
 };
 
 const CreateProject = createSlice({
@@ -84,6 +85,7 @@ const CreateProject = createSlice({
       state.drawnGeojson = null;
       state.generateProjectLog = null;
       state.generateProjectLogLoading = false;
+      state.isUnsavedChanges = false;
     },
     UploadAreaLoading(state, action) {
       state.projectAreaLoading = action.payload;
@@ -201,6 +203,9 @@ const CreateProject = createSlice({
         [action.payload.key]: action.payload.value,
       };
     },
+    SetIsUnsavedChanges(state, action) {
+      state.isUnsavedChanges = action.payload;
+    },
   },
 });
 
diff --git a/src/frontend/src/store/types/ICreateProject.ts b/src/frontend/src/store/types/ICreateProject.ts
index bfff35c129..c485eabf36 100644
--- a/src/frontend/src/store/types/ICreateProject.ts
+++ b/src/frontend/src/store/types/ICreateProject.ts
@@ -32,6 +32,7 @@ export type CreateProjectStateTypes = {
   buildingGeojson: null;
   lineGeojson: null;
   createProjectValidations: {};
+  isUnsavedChanges: boolean;
 };
 export type ValidateCustomFormResponse = {
   detail: { message: string; possible_reason: string };
diff --git a/src/frontend/src/views/CreateNewProject.tsx b/src/frontend/src/views/CreateNewProject.tsx
index 67e75c3fe1..b683f43390 100644
--- a/src/frontend/src/views/CreateNewProject.tsx
+++ b/src/frontend/src/views/CreateNewProject.tsx
@@ -10,16 +10,17 @@ import SelectForm from '../components/createnewproject/SelectForm';
 import { useLocation } from 'react-router-dom';
 import { useDispatch } from 'react-redux';
 import { CommonActions } from '.././store/slices/CommonSlice';
-
+import { useAppSelector } from '../types/reduxTypes';
+import Prompt from '../hooks/Prompt';
 const CreateNewProject = () => {
   const location = useLocation();
   const dispatch = useDispatch();
 
+  const isUnsavedChanges = useAppSelector((state) => state.createproject.isUnsavedChanges);
   const [geojsonFile, setGeojsonFile] = useState(null);
   const [customLineUpload, setCustomLineUpload] = useState(null);
   const [customPolygonUpload, setCustomPolygonUpload] = useState(null);
   const [customFormFile, setCustomFormFile] = useState(null);
-
   useEffect(() => {
     switch (location.pathname) {
       case '/create-project':
@@ -86,6 +87,8 @@ const CreateNewProject = () => {
   return (
     <div>
       <CreateProjectHeader />
+      <Prompt when={isUnsavedChanges} message="Are you sure you want to leave, you have unsaved changes?" />
+
       <div className="fmtm-min-h-[72vh] fmtm-bg-gray-100 fmtm-box-border fmtm-border-[1px] fmtm-border-t-white fmtm-border-t-[0px]">
         <div className=" fmtm-w-full">
           <div>