Added account export

finnow-api/source/account/api.d

@@ -24,7 +24,7 @@ import attachment.dto;
 
 const ACCOUNT_PATH = PROFILE_PATH ~ "/accounts/:accountId:ulong";
 
-@PathMapping(HttpMethod.GET, PROFILE_PATH ~ "/accounts")
+@GetMapping(PROFILE_PATH ~ "/accounts")
 void handleGetAccounts(ref ServerHttpRequest request, ref ServerHttpResponse response) {
     import std.algorithm;
     import std.array;
@@ -34,7 +34,7 @@ void handleGetAccounts(ref ServerHttpRequest request, ref ServerHttpResponse res
     writeJsonBody(response, accounts);
 }
 
-@PathMapping(HttpMethod.GET, ACCOUNT_PATH)
+@GetMapping(ACCOUNT_PATH)
 void handleGetAccount(ref ServerHttpRequest request, ref ServerHttpResponse response) {
     ulong accountId = request.getPathParamAs!ulong("accountId");
     auto ds = getProfileDataSource(request);
@@ -43,7 +43,7 @@ void handleGetAccount(ref ServerHttpRequest request, ref ServerHttpResponse resp
     writeJsonBody(response, AccountResponse.of(account, getBalance(ds, account.id)));
 }
 
-@PathMapping(HttpMethod.POST, PROFILE_PATH ~ "/accounts")
+@PostMapping(PROFILE_PATH ~ "/accounts")
 void handleCreateAccount(ref ServerHttpRequest request, ref ServerHttpResponse response) {
     auto ds = getProfileDataSource(request);
     AccountCreationPayload payload = readJsonBodyAs!AccountCreationPayload(request);
@@ -60,7 +60,7 @@ void handleCreateAccount(ref ServerHttpRequest request, ref ServerHttpResponse r
     writeJsonBody(response, AccountResponse.of(account, getBalance(ds, account.id)));
 }
 
-@PathMapping(HttpMethod.PUT, ACCOUNT_PATH)
+@PutMapping(ACCOUNT_PATH)
 void handleUpdateAccount(ref ServerHttpRequest request, ref ServerHttpResponse response) {
     ulong accountId = request.getPathParamAs!ulong("accountId");
     AccountCreationPayload payload = readJsonBodyAs!AccountCreationPayload(request);
@@ -80,14 +80,14 @@ void handleUpdateAccount(ref ServerHttpRequest request, ref ServerHttpResponse r
     writeJsonBody(response, AccountResponse.of(updated, getBalance(ds, updated.id)));
 }
 
-@PathMapping(HttpMethod.DELETE, ACCOUNT_PATH)
+@DeleteMapping(ACCOUNT_PATH)
 void handleDeleteAccount(ref ServerHttpRequest request, ref ServerHttpResponse response) {
     ulong accountId = request.getPathParamAs!ulong("accountId");
     auto ds = getProfileDataSource(request);
     ds.getAccountRepository().deleteById(accountId);
 }
 
-@PathMapping(HttpMethod.GET, ACCOUNT_PATH ~ "/balance")
+@GetMapping(ACCOUNT_PATH ~ "/balance")
 void handleGetAccountBalance(ref ServerHttpRequest request, ref ServerHttpResponse response) {
     ulong accountId = request.getPathParamAs!ulong("accountId");
     auto ds = getProfileDataSource(request);
@@ -149,6 +149,56 @@ void handleGetTotalBalances(ref ServerHttpRequest request, ref ServerHttpRespons
     writeJsonBody(response, balances);
 }
 
+@GetMapping(PROFILE_PATH ~ "/accounts/export")
+void handleGetAccountsExport(ref ServerHttpRequest request, ref ServerHttpResponse response) {
+    import std.algorithm;
+    import std.array;
+    import std.conv : to;
+    import util.csv;
+    import streams;
+    auto pc = getProfileContextOrThrow(request);
+    auto ds = getProfileDataSource(pc);
+    AccountResponse[] accounts = ds.getAccountRepository().findAll()
+        .map!(a => AccountResponse.of(a, getBalance(ds, a.id))).array;
+    
+    response.headers.add("Content-Type", "text/csv");
+    response.headers.add("Content-Disposition", "attachment; filename=accounts.csv");
+    CsvStreamWriter!(OutputStream!(ubyte)*) csv = CsvStreamWriter!(OutputStream!(ubyte)*)(&response.outputStream);
+    csv
+        .append("ID")
+        .append("Name")
+        .append("Number Suffix")
+        .append("Currency")
+        .append("Type")
+        .append("Balance")
+        .append("Created At")
+        .append("Archived")
+        .append("Description")
+        .newLine();
+    
+    foreach (account; accounts) {
+        csv
+            .append(account.id)
+            .append(account.name)
+            .append(account.numberSuffix)
+            .append(account.currency.code)
+            .append(account.type)
+            .append(account.currentBalance
+                .mapIfPresent!((b) {
+                    auto money = MoneyValue(account.currency, b);
+                    auto n = money.toFloatingPoint();
+                    import std.format;
+                    return format("%." ~ account.currency.fractionalDigits.to!string ~ "f", n);
+                })
+                .orElse("")
+            )
+            .append(account.createdAt)
+            .append(account.archived)
+            .append(account.description)
+            .newLine();
+    }
+}
+
 // Value records:
 
 const PageRequest VALUE_RECORD_DEFAULT_PAGE_REQUEST = PageRequest(1, 10, [Sort("timestamp", SortDir.DESC)]);

finnow-api/source/profile/api.d

@@ -1,7 +1,6 @@
 module profile.api;
 
 import std.json;
-import asdf;
 import handy_http_primitives;
 import handy_http_data.json;
 import handy_http_handlers.path_handler : getPathParamAs, PathMapping;

finnow-api/source/util/csv.d

@@ -0,0 +1,62 @@
+module util.csv;
+
+import streams;
+import handy_http_primitives : Optional;
+import std.conv : to;
+
+/**
+ * A utility that allows for convenient writing of data to an output
+ * stream in CSV format.
+ */
+struct CsvStreamWriter(S) if (isByteOutputStream!S) {
+    S stream;
+    private bool atStartOfRow = true;
+    private StreamResult result;
+
+    this(S outputStream) {
+        this.stream = outputStream;
+    }
+
+    /**
+     * Appends a value to the current row.
+     * Params:
+     *   value = The value to append.
+     */
+    ref append(T)(T value) {
+        if (!atStartOfRow) {
+            result = stream.writeToStream([',']);
+            throwIfError(result);
+        }
+        string s = value.to!string();
+        result = stream.writeToStream(cast(ubyte[]) s);
+        throwIfError(result);
+        atStartOfRow = false;
+        return this;
+    }
+
+    /**
+     * Appends a new line, moving to the next row.
+     */
+    ref newLine() {
+        result = stream.writeToStream(['\n']);
+        throwIfError(result);
+        static if (isFlushableStream!S) {
+            auto optionalError = stream.flushStream();
+            throwIfError(optionalError);
+        }
+        atStartOfRow = true;
+        return this;
+    }
+
+    private void throwIfError(StreamResult result) {
+        if (result.hasError) {
+            throw new Exception("Stream error: " ~ result.error.message.to!string);
+        }
+    }
+
+    private void throwIfError(Optional!StreamError result) {
+        if (!result.isNull) {
+            throw new Exception("Stream error: " ~ result.value.message.to!string);
+        }
+    }
+}

finnow-api/source/util/money.d

@@ -149,4 +149,12 @@ struct MoneyValue {
         static if (op == "-") return MoneyValue(currency, -this.value);
         static assert(false, "Operator " ~ op ~ " is not supported.");
     }
+
+    double toFloatingPoint() const {
+        double factor = 1;
+        for (int i = 0; i < currency.fractionalDigits; i++) {
+            factor *= 10;
+        }
+        return value / factor;
+    }
 }

web-app/src/api/account.ts

@@ -213,4 +213,8 @@ export class AccountApiClient extends ApiClient {
   deleteValueRecord(accountId: number, valueRecordId: number): Promise<void> {
     return super.delete(this.path + '/' + accountId + '/value-records/' + valueRecordId)
   }
+
+  downloadAccountsExport(): Promise<void> {
+    return super.getFile(this.path + '/export')
+  }
 }

web-app/src/pages/home/AccountsModule.vue

@@ -47,45 +47,37 @@ onMounted(async () => {
     })
     .catch((err) => console.error(err))
 })
+
+function exportAccounts() {
+  const api = new AccountApiClient(route)
+  api.downloadAccountsExport()
+}
 </script>
 <template>
   <HomeModule title="Accounts">
     <template v-slot:default>
-      <AccountCard
-        v-for="a in accounts"
-        :account="a"
-        :key="a.id"
-      />
+      <AccountCard v-for="a in accounts" :account="a" :key="a.id" />
       <p v-if="accounts.length === 0">
         You haven't added any accounts. Add one to start tracking your finances.
       </p>
 
       <div>
-        <AppBadge
-          v-for="bal in totalBalances"
-          :key="bal.currency.code"
-        >
+        <AppBadge v-for="bal in totalBalances" :key="bal.currency.code">
           {{ bal.currency.code }} Total:
           <span class="font-mono">{{ formatMoney(bal.balance, bal.currency) }}</span>
         </AppBadge>
-        <AppBadge
-          v-for="debt in totalOwed"
-          :key="debt.currency.code"
-        >
+        <AppBadge v-for="debt in totalOwed" :key="debt.currency.code">
           {{ debt.currency.code }} Debt:
-          <span
-            class="font-mono"
-            :class="{ 'text-negative': debt.balance > 0 }"
-            >{{ formatMoney(debt.balance, debt.currency) }}</span
-          >
+          <span class="font-mono" :class="{ 'text-negative': debt.balance > 0 }">{{ formatMoney(debt.balance,
+            debt.currency) }}</span>
         </AppBadge>
       </div>
     </template>
     <template v-slot:actions>
-      <AppButton
-        icon="plus"
-        @click="router.push(`/profiles/${getSelectedProfile(route)}/add-account`)"
-        >Add Account
+      <AppButton icon="plus" @click="router.push(`/profiles/${getSelectedProfile(route)}/add-account`)">Add Account
+      </AppButton>
+      <AppButton icon="download" size="sm" @click="exportAccounts()">
+        Export
       </AppButton>
     </template>
   </HomeModule>