Create working PoC of frontend app

web/src/App.tsx

@@ -1,11 +1,18 @@
 import LoadFilePage from "./pages/LoadFilePage/LoadFilePage";
+import PrepareTransactionsPage from "./pages/PrepareTransactionsPage/PrepareTransactionsPage";
+import ResultPage from "./pages/ResultPage/ResultPage";
 import { AppStoreProvider } from "./store/AppStore";
+import { Wizard } from "./wizard/Wizard";
 
 
 export default function App() {
   return (
     <AppStoreProvider>
-      <LoadFilePage />
+      <Wizard>
+        <LoadFilePage />
+        <PrepareTransactionsPage />
+        <ResultPage />
+      </Wizard>
     </AppStoreProvider>
   );
 }

web/src/pages/LoadFilePage/LoadFilePage.tsx

@@ -40,6 +40,13 @@ export default function LoadFilePage() {
         ...data
       }
     });    
+
+    dispatch({
+      type: 'MOVE_STEP',
+      payload: {
+        offset: 1
+      }
+    });
   }, []);
 
   return (

web/src/pages/PrepareTransactionsPage/ImportBar.tsx

@@ -0,0 +1,77 @@
+import { useCallback, useState } from "react";
+import type { ImportOptions } from "../../types/api";
+
+export type ImportBarProps = {
+  onSubmit: (opts: ImportOptions) => void;
+};
+
+export default function ImportBar({ onSubmit }: ImportBarProps) {
+  const [formData, setFormData] = useState<ImportOptions>({ mode: 'import' });
+
+  
+  const handleSubmit = useCallback((e: React.FormEvent) => {
+    e.preventDefault();
+
+
+
+    onSubmit(formData);
+  }, [formData, onSubmit]);
+
+  const changeMode = useCallback((mode: ImportOptions['mode']) => {
+    if (mode === 'add') {
+      setFormData({ ...formData, mode });
+    }
+
+    else {
+      setFormData({ mode });
+    }
+  }, [formData, setFormData]);
+
+  return (
+    <form onSubmit={handleSubmit}>
+      <div className="field">
+        <label className="label">Import mode</label>
+        <div className="control">
+          <div className="buttons has-addons is-left">
+            <button 
+              type="button"
+              className={`button ${formData.mode === 'import' ? "is-primary is-selected" : ""}`}
+              onClick={() => changeMode('import')}>Import</button>
+            <button 
+              type="button"
+              className={`button ${formData.mode === 'add' ? "is-primary is-selected" : ""}`}
+              onClick={() => changeMode('add')}>Add</button>
+          </div>
+        </div>
+      </div>
+
+      {formData.mode === 'add' && <div className="field">
+        <label className="label">Additional options</label>
+        <div className="control">
+          <label className="checkbox">
+            <input 
+              type="checkbox" 
+              checked={formData.learnCategories}
+              onChange={e => setFormData({ ...formData, learnCategories: e.target.checked})}/> Learn categories
+          </label>          
+        </div>
+        <div className="control">
+          <label className="checkbox">
+            <input 
+              type="checkbox" 
+              checked={formData.runTransfers}
+              onChange={e => setFormData({ ...formData, runTransfers: e.target.checked})}/> Run transfers
+          </label>
+        </div>
+      </div>}
+
+      <div className="field mt-5">
+        <div className="control">
+          <button 
+            type="submit" 
+            className="button is-link is-fullwidth">Submit transactions</button>
+        </div>
+      </div>
+    </form>
+  ); 
+}

web/src/pages/PrepareTransactionsPage/PrepareTransactionsPage.tsx

@@ -0,0 +1,73 @@
+import { useCallback, useMemo } from "react";
+import { useStore } from "../../store/AppStore";
+import TransactionsTable from "./TransactionsTable";
+import { SkippedLines } from "./SkippedLines";
+import ImportBar from "./ImportBar";
+import type { ImportOptions } from "../../types/api";
+import { submitTransactions } from "../../services/api.service";
+
+
+export default function PrepareTransactionsPage() {
+  const { state, dispatch } = useStore();  
+  
+  const desiredTransactions = useMemo(() => state.transactions.filter((_, i) => !state.filteredOut.includes(i)), [state, state.filteredOut]);
+
+  const handleSubmit = useCallback(async (opts: ImportOptions) => {
+    if(!state.server) {
+      return;
+    }
+
+    const response = await submitTransactions(desiredTransactions, state.server, opts);    
+    
+    dispatch({
+      type: 'SET_RESULT',
+      payload: response
+    });
+
+    dispatch({
+      type: 'MOVE_STEP',
+      payload: {
+        offset: 1
+      }
+    });
+  }, [desiredTransactions, state]);
+
+  const filterOut = useCallback((index: number) => dispatch({
+    type: 'FILTER_OUT',
+    payload: { index }
+  }), [dispatch]);
+
+  const removeFilter = useCallback((index: number) => dispatch({
+    type: 'REMOVE_FILTER',
+    payload: { index }
+  }), [dispatch]);
+
+  return (
+    <div className="columns mt-6">
+      <div className="column is-8 is-offset-2">
+        <div className="box">
+          <h2 className="title is-4 has-text-centered">Prepare Transactions</h2> 
+
+          <div className="content">
+            <h3 className="title is-5">Considered transactions ({state.transactions.length})</h3>
+            <TransactionsTable 
+              transactions={state.transactions} 
+              filteredOut={state.filteredOut}
+              filterOut={filterOut}
+              removeFilter={removeFilter} />
+          </div> 
+
+          <div className="content">
+            <h3 className="title is-5">Skipped lines ({state.skipped.length})</h3>
+            <SkippedLines skipped={state.skipped} />
+          </div>
+
+          <div className="content">
+            <ImportBar onSubmit={handleSubmit} />
+          </div>
+
+        </div>
+      </div>
+    </div>
+  );
+}

web/src/pages/PrepareTransactionsPage/SkippedLines.module.css

@@ -0,0 +1,3 @@
+.skipped {
+  content: red;
+}

web/src/pages/PrepareTransactionsPage/SkippedLines.tsx

@@ -0,0 +1,19 @@
+import styles from "./SkippedLines.module.css";
+
+export type SkippedLinesProps = {
+  skipped: string[][];
+};
+
+export function SkippedLines({ skipped }: SkippedLinesProps) {
+  if (skipped.length === 0) {
+    return undefined;
+  }
+
+  return (
+    <div className={styles.skipped}>
+      <pre>
+        {skipped.map(s => `▶️ ${s.join("🔸")}`).join("\n")}
+      </pre>
+    </div>
+  );
+}

web/src/pages/PrepareTransactionsPage/TransactionTable.module.css

@@ -0,0 +1,7 @@
+.transactionTable tbody tr {
+  cursor: pointer;
+}
+
+.disabled td {
+  color: var(--bulma-text-light);
+}

web/src/pages/PrepareTransactionsPage/TransactionsTable.tsx

@@ -0,0 +1,63 @@
+import { useCallback } from "react";
+import type { Transaction } from "../../types/api";
+import styles from "./TransactionTable.module.css";
+
+export type TransactionsTableProps = {
+  transactions: Transaction[];
+  filteredOut: number[];
+  filterOut: (index: number) => void;
+  removeFilter: (index: number) => void;
+  readonly?: boolean;
+}
+
+export default function TransactionsTable({ transactions, filteredOut, filterOut, removeFilter, readonly }: TransactionsTableProps) {
+
+  const changeSelection = useCallback((index: number) => {
+    if (readonly) {
+      return;
+    }
+    
+    if(filteredOut.includes(index)) {
+      removeFilter(index);
+    }
+
+    else {
+      filterOut(index);
+    }
+  }, [filteredOut, filterOut, removeFilter]);
+
+
+  const renderRow = useCallback((transaction: Transaction, index: number) => (
+    <tr key={index} onClick={() => changeSelection(index)} className={`${!readonly && filteredOut.includes(index) ? styles.disabled : ""}`}>   
+      <td>{transaction.kind}</td>
+      <td>{transaction.date}</td>
+      <td>{transaction.from}</td>
+      <td>{transaction.to}</td>
+      <td>{transaction.amount}</td>
+      <td>{transaction.title}</td>
+      <td>{transaction.id}</td>
+    </tr>
+  ), [changeSelection]);
+
+  return (
+    <div className="table-container">
+      <table className={`table is-hoverable ${!readonly ? styles.transactionTable : ""}`}>
+        <thead>
+          <tr>
+                   
+            <th>Kind</th>
+            <th>Date</th>
+            <th>From</th>
+            <th>To</th>
+            <th>Amount</th>
+            <th>Title</th>
+            <th>ID</th>
+          </tr>
+        </thead>
+        <tbody>
+          {transactions.map(renderRow)}
+        </tbody>
+      </table>
+    </div>
+  );
+}

web/src/pages/ResultPage/ResultPage.tsx

@@ -0,0 +1,47 @@
+import { useMemo } from "react";
+import { useStore } from "../../store/AppStore";
+
+export default function ResultPage() {
+  const { state } = useStore();
+
+  const errors = useMemo(() => {
+    if (!state.result?.errors) {
+      return undefined;
+    }
+
+    if (state.result.errors.length === 0) {
+      return undefined;
+    }
+
+    return (
+      <div className="notification is-danger">
+        <p>Errors:</p>
+        <ul>
+          {state.result.errors.map(e => <li>{e.message}</li>)}
+        </ul>
+      </div>
+    )
+  }, [state.result?.errors]);
+
+  return (
+    <div className="columns mt-6">
+      <div className="column is-8 is-offset-2">
+        <div className="box">
+          <h2 className="title is-4 has-text-centered">Import Result</h2> 
+          <div className="content">            
+            <div className="notification is-info">            
+              <ul>
+                <li>Added: <strong>{state.result?.added?.length ?? 0}</strong></li>
+                <li>Updated: <strong>{state.result?.updated?.length ?? 0}</strong></li>
+                <li>Errors: <strong>{state.result?.errors?.length ?? 0}</strong></li>
+              </ul>    
+            </div>
+          </div>
+          <div className="content">               
+            {errors}            
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}

web/src/services/api.service.ts

@@ -1,7 +1,7 @@
-import type { ConfigResponse, PrepareResponse } from "../types/api";
+import type { ConfigResponse, ImportOptions, PrepareResponse, SubmitResponse, Transaction } from "../types/api";
 
 export async function fetchConfig(): Promise<ConfigResponse> {
-  const response = await fetch("http://localhost:3000/config")
+  const response = await fetch("/config")
   const data = await response.json();
   return data as ConfigResponse;
 }
@@ -12,11 +12,30 @@ export async function loadTransactions(csvFile: File, profile: string, server: s
   payload.append("profile", profile);
   payload.append("server", server);  
 
-  const response = await fetch("http://localhost:3000/prepare", {
+  const response = await fetch("/prepare", {
     method: "POST",
     body: payload
   });
 
   const data = await response.json();
   return data as PrepareResponse;
+}
+
+export async function submitTransactions(transactions: Transaction[], server: string, opts: ImportOptions): Promise<SubmitResponse> {
+  const payload = {
+    transactions,
+    server,
+    opts
+  };
+
+  const response = await fetch("/submit", {
+    method: "POST",
+    body: JSON.stringify(payload),
+    headers: {
+      'Content-Type': 'application/json'
+    }
+  });
+
+  const data = await response.json();
+  return data as SubmitResponse;
 }

web/src/store/AppStore.tsx

@@ -1,5 +1,7 @@
-import type { State, Action, StoreContext } from "../types/store";
+import type { StoreContext } from "../types/store";
 import { createContext, useContext, useMemo, useReducer } from "react";
+import { initialState } from "./state";
+import { reducer } from "./reducer";
 
 export type AppStoreProviderProps = {
   children: React.ReactNode;
@@ -8,34 +10,6 @@ export type AppStoreProviderProps = {
 export type UseStoreReturnType = StoreContext & {
 };
 
-function reducer(state: State, action: Action): State {
-  switch(action.type) {
-    case 'UPDATE_CONFIG':
-      return { 
-        ...state,
-        availableProfiles: action.payload.profiles,
-        availableServers: action.payload.servers,
-        defaultProfile: action.payload.defaultProfile,
-        defaultServer: action.payload.defaultServer,
-      };
-
-    case 'UPDATE_DATA':
-      return {
-        ...state,
-        profile: action.payload.profile,
-        server: action.payload.server,
-        transactions: action.payload.transactions,
-        skipped: action.payload.skipped,
-      };
-  }
-}
-
-const initialState: State = {
-  availableProfiles: [],
-  availableServers: [],
-  transactions: [],
-  skipped: [],
-};
 
 const AppContext = createContext<StoreContext>({
   state: initialState,

web/src/store/reducer.ts

@@ -0,0 +1,59 @@
+import type { Action, State } from "../types/store";
+
+export function reducer(state: State, action: Action): State {
+  switch(action.type) {
+    case 'UPDATE_CONFIG':
+      return { 
+        ...state,
+        availableProfiles: action.payload.profiles,
+        availableServers: action.payload.servers,
+        defaultProfile: action.payload.defaultProfile,
+        defaultServer: action.payload.defaultServer,
+      };
+
+    case 'UPDATE_DATA':
+      return {
+        ...state,
+        profile: action.payload.profile,
+        server: action.payload.server,
+        transactions: action.payload.transactions,
+        skipped: action.payload.skipped,
+      };
+
+    case 'SET_STEP':
+      return {
+        ...state,
+        wizard: {
+          ...state.wizard,
+          step: action.payload.step
+        }
+      }
+
+    case 'MOVE_STEP':
+      return {
+        ...state,
+        wizard: {
+          ...state.wizard,
+          step: state.wizard.step + action.payload.offset
+        }
+      }
+
+    case 'FILTER_OUT':
+      return {
+        ...state,
+        filteredOut: [...state.filteredOut, action.payload.index]
+      }
+
+    case 'REMOVE_FILTER':
+      return {
+        ...state,
+        filteredOut: state.filteredOut.filter(x => x !== action.payload.index)
+      }
+
+    case 'SET_RESULT':
+      return {
+        ...state,
+        result: action.payload
+      }
+  }
+}

web/src/store/state.ts

@@ -0,0 +1,14 @@
+import type { State } from "../types/store";
+
+export const initialState: State = {
+  availableProfiles: [],
+  availableServers: [],
+  transactions: [],
+  skipped: [],
+  
+  wizard: {
+    step: 0
+  },
+
+  filteredOut: []
+};

web/src/types/api.ts

@@ -7,7 +7,7 @@ export type ConfigResponse = {
 
 export type PrepareResponse = {
   transactions: Transaction[];
-  skipped: string[];  
+  skipped: string[][];  
 };
 
 export type Transaction = {
@@ -20,4 +20,18 @@ export type Transaction = {
   title: string;
   id: string;
   amount: number;
+};
+
+export type ImportOptions = 
+  | { mode: 'add', learnCategories?: boolean, runTransfers?: boolean }
+  | { mode: 'import' };
+
+export type SubmitResponse = {
+  errors?: {
+    message: string;
+  }[];
+
+  added: unknown[];
+
+  updated: unknown[];
 };

web/src/types/store.ts

@@ -8,7 +8,22 @@ export type State = {
   profile?: string;
   server?: string;
   transactions: Transaction[];
-  skipped: string[];
+  skipped: string[][];
+
+  wizard: {
+    step: number;
+  };
+
+  filteredOut: number[];
+
+  result?: {
+    errors?: {
+      message: string;
+    }[];
+  
+    added: unknown[];
+    updated: unknown[];
+  }
 };
 
 export type Action = 
@@ -27,7 +42,43 @@ export type Action =
     profile: string;
     server: string;
     transactions: Transaction[];
-    skipped: string[];
+    skipped: string[][];
+  }
+}
+| {
+  type: 'SET_STEP',
+  payload: {
+    step: number;
+  }
+}
+| {
+  type: 'MOVE_STEP',
+  payload: {
+    offset: number;
+  }
+}
+| {
+  type: 'FILTER_OUT',
+  payload: {
+    index: number;
+  };
+}
+| {
+  type: 'REMOVE_FILTER',
+  payload: {
+    index: number;
+  };
+}
+| {
+  type: 'SET_RESULT',
+  payload: {
+    errors?: {
+      message: string;
+    }[];
+  
+    added: unknown[];
+  
+    updated: unknown[];
   }
 }
 

web/src/wizard/Wizard.tsx

@@ -0,0 +1,11 @@
+import { useStore } from "../store/AppStore";
+
+export type WizardProps = {
+  children: React.ReactNode[];
+};
+
+export function Wizard({ children }: WizardProps) {
+  const { state } = useStore();
+  
+  return children[state.wizard.step];
+}