Updated API with hopefully the rest of the draft implementation.

finnow-api/source/attachment/data.d

@@ -9,6 +9,7 @@ interface AttachmentRepository {
     Attachment[] findAllByLinkedEntity(string subquery, ulong entityId);
     Attachment[] findAllByTransactionId(ulong transactionId);
     Attachment[] findAllByValueRecordId(ulong valueRecordId);
+    Attachment[] findAllByTransactionDraftId(ulong draftId);
     ulong save(SysTime uploadedAt, string filename, string contentType, in ubyte[] content);
     void remove(ulong id);
     Optional!(ubyte[]) getContent(ulong id);

finnow-api/source/attachment/data_impl_sqlite.d

@@ -45,6 +45,13 @@ class SqliteAttachmentRepository : AttachmentRepository {
             valueRecordId
         );
     }
+
+    Attachment[] findAllByTransactionDraftId(ulong draftId) {
+        return findAllByLinkedEntity(
+            "SELECT attachment_id FROM transaction_draft_attachment WHERE draft_id = ?",
+            draftId
+        );
+    }
     
     ulong save(SysTime uploadedAt, string filename, string contentType, in ubyte[] content) {
         util.sqlite.update(

finnow-api/source/transaction/api.d

@@ -224,20 +224,12 @@ immutable DEFAULT_DRAFT_PAGE = PageRequest(1, 10, [Sort("txn.id", SortDir.DESC)]
 void handleGetDrafts(ref ServerHttpRequest request, ref ServerHttpResponse response) {
     ProfileDataSource ds = getProfileDataSource(request);
     PageRequest pr = PageRequest.parse(request, DEFAULT_DRAFT_PAGE);
-    Page!TransactionDraftListItem page = getDrafts(ds, pr);
+    bool shouldFetchTemplates = request.getParamAs!bool("template", false);
-    writeJsonBody(response, page);
+    Page!TransactionDraftListItem page = getDrafts(ds, pr, shouldFetchTemplates);
-}
-
-@GetMapping(PROFILE_PATH ~ "/transaction-templates")
-void handleGetTemplates(ref ServerHttpRequest request, ref ServerHttpResponse response) {
-    ProfileDataSource ds = getProfileDataSource(request);
-    PageRequest pr = PageRequest.parse(request, DEFAULT_DRAFT_PAGE);
-    Page!TransactionDraftListItem page = getTemplates(ds, pr);
     writeJsonBody(response, page);
 }
 
 @GetMapping(PROFILE_PATH ~ "/transaction-drafts/:draftId:ulong")
-@GetMapping(PROFILE_PATH ~ "/transaction-templates/:draftId:ulong")
 void handleGetDraft(ref ServerHttpRequest request, ref ServerHttpResponse response) {
     ProfileDataSource ds = getProfileDataSource(request);
     TransactionDraftResponse draft = getDraft(ds, getDraftId(request));
@@ -246,6 +238,33 @@ void handleGetDraft(ref ServerHttpRequest request, ref ServerHttpResponse respon
     response.writeBodyString(jsonStr, "application/json");
 }
 
+@PostMapping(PROFILE_PATH ~ "/transaction-drafts")
+void handleAddDraft(ref ServerHttpRequest request, ref ServerHttpResponse response) {
+    auto fullPayload = parseMultipartFilesAndBody!TransactionDraftPayload(request);
+    ProfileDataSource ds = getProfileDataSource(request);
+    TransactionDraftResponse draft = addDraft(ds, fullPayload.payload, fullPayload.files);
+    import asdf : serializeToJson;
+    string jsonStr = serializeToJson(draft);
+    response.writeBodyString(jsonStr, "application/json");
+}
+
+@PutMapping(PROFILE_PATH ~ "/transaction-drafts/:draftId:ulong")
+void handleUpdateDraft(ref ServerHttpRequest request, ref ServerHttpResponse response) {
+    ProfileDataSource ds = getProfileDataSource(request);
+    auto fullPayload = parseMultipartFilesAndBody!TransactionDraftPayload(request);
+    TransactionDraftResponse draft = updateDraft(ds, getDraftId(request), fullPayload.payload, fullPayload.files);
+    import asdf : serializeToJson;
+    string jsonStr = serializeToJson(draft);
+    response.writeBodyString(jsonStr, "application/json");
+}
+
+@DeleteMapping(PROFILE_PATH ~ "/transaction-drafts/:draftId:ulong")
+void handleDeleteDraft(ref ServerHttpRequest request, ref ServerHttpResponse response) {
+    ProfileDataSource ds = getProfileDataSource(request);
+    ulong draftId = getDraftId(request);
+    deleteDraft(ds, draftId);
+}
+
 private ulong getDraftId(in ServerHttpRequest request) {
     return getPathParamOrThrow!ulong(request, "draftId");
 }

finnow-api/source/transaction/data.d

@@ -36,6 +36,7 @@ interface TransactionCategoryRepository {
     );
 }
 
+// TODO: Migrate into transaction repo, similar to drafts!
 interface TransactionTagRepository {
     string[] findAllByTransactionId(ulong transactionId);
     void updateTags(ulong transactionId, in string[] tags);
@@ -61,4 +62,7 @@ interface TransactionDraftRepository {
     void linkAttachment(ulong draftId, ulong attachmentId);
     TransactionDraftResponse update(ulong draftId, in TransactionDraftPayload data);
     void deleteById(ulong id);
+
+    void updateTags(ulong draftId, in string[] tags);
+    string[] findAllTags();
 }

finnow-api/source/transaction/data_impl_sqlite.d

@@ -659,18 +659,75 @@ class SqliteTransactionDraftRepository : TransactionDraftRepository {
     }
 
     Optional!TransactionDraftResponse findById(ulong id) {
+        // First fetch the draft list item (contains all basic properties).
         QueryBuilder qb = getBuilderForDraftsList();
         addSelectsForDraftsList(qb);
+        qb.groupBy("draft.id");
         qb.where("draft.id = ?");
         string query = qb.build();
-        // return util.sqlite.findOne(db, query, &parseDraft, id);
+        Optional!TransactionDraftListItem li = util.sqlite.findOne(db, query, &parseDraftListItem, id);
-        // TODO!
+        if (li.isNull) return Optional!TransactionDraftResponse.empty();
-        return Optional!TransactionDraftResponse.empty();
+        TransactionDraftListItem draft = li.value;
+        // Then fetch line items.
+        TransactionDraftResponse response;
+        response.id = draft.id;
+        response.addedAt = draft.addedAt;
+        response.templateName = draft.templateName;
+        response.timestamp = draft.timestamp;
+        response.amount = draft.amount;
+        response.currency = draft.currency;
+        response.description = draft.description;
+        response.internalTransfer = draft.internalTransfer;
+        response.vendor = draft.vendor;
+        response.category = draft.category;
+        response.creditedAccount = draft.creditedAccount;
+        response.debitedAccount = draft.debitedAccount;
+        response.lineItems = util.sqlite.findAll(
+            db,
+            import("sql/query/get_line_items_draft.sql"),
+            (row) {
+                TransactionLineItemResponse item;
+                item.idx = row.peek!uint(0);
+                item.valuePerItem = row.peek!long(1);
+                item.quantity = row.peek!ulong(2);
+                item.description = row.peek!string(3);
+                Optional!ulong categoryId = row.parseOptional!ulong(4);
+                if (categoryId) {
+                    item.category = Optional!TransactionCategory.of(
+                        TransactionCategory(
+                            categoryId.value,
+                            row.parseOptional!ulong(5),
+                            row.peek!string(6),
+                            row.peek!string(7),
+                            row.peek!string(8)
+                        ));
+                }
+                return item;
+            }
+        );
+        // Return the response, excluding attachments (they are fetched using the attachment repo).
+        return Optional!TransactionDraftResponse.of(response);
     }
 
     TransactionDraftResponse insert(in TransactionDraftPayload data) {
-        // TODO
+        util.sqlite.update(
-        return TransactionDraftResponse.init;
+            db,
+            import("sql/insert_transaction_draft.sql"),
+            Clock.currTime(UTC()).toISOExtString(),
+            data.templateName.toNullable(),
+            data.timestamp.toNullable(),
+            data.amount.toNullable(),
+            data.currencyCode.toNullable(),
+            data.description.toNullable(),
+            data.internalTransfer.toNullable(),
+            data.vendorId.toNullable(),
+            data.categoryId.toNullable(),
+            data.creditedAccountId.toNullable(),
+            data.debitedAccountId.toNullable()
+        );
+        ulong draftId = db.lastInsertRowid();
+        insertLineItems(draftId, data);
+        return findById(draftId).orElseThrow();
     }
 
     void linkAttachment(ulong draftId, ulong attachmentId) {
@@ -683,8 +740,29 @@ class SqliteTransactionDraftRepository : TransactionDraftRepository {
     }
 
     TransactionDraftResponse update(ulong draftId, in TransactionDraftPayload data) {
-        // TODO
+        util.sqlite.update(
-        return TransactionDraftResponse.init;
+            db,
+            import("sql/update_transaction_draft.sql"),
+            data.templateName.toNullable(),
+            data.timestamp.toNullable(),
+            data.amount.toNullable(),
+            data.currencyCode.toNullable(),
+            data.description.toNullable(),
+            data.internalTransfer.toNullable(),
+            data.vendorId.toNullable(),
+            data.categoryId.toNullable(),
+            data.creditedAccountId.toNullable(),
+            data.debitedAccountId.toNullable(),
+            draftId
+        );
+        // Re-write all line items:
+        util.sqlite.update(
+            db,
+            "DELETE FROM transaction_draft_line_item WHERE draft_id = ?",
+            draftId
+        );
+        insertLineItems(draftId, data);
+        return findById(draftId).orElseThrow();
     }
 
     void deleteById(ulong id) {
@@ -698,6 +776,31 @@ class SqliteTransactionDraftRepository : TransactionDraftRepository {
         util.sqlite.deleteById(db, "transaction_draft", id);
     }
 
+    void updateTags(ulong draftId, in string[] tags) {
+        util.sqlite.update(
+            db,
+            "DELETE FROM transaction_draft_tag WHERE draft_id = ?",
+            draftId
+        );
+        foreach (tag; tags) {
+            util.sqlite.update(
+                db,
+                "INSERT INTO transaction_draft_tag (draft_id, tag) VALUES (?, ?)",
+                draftId, tag
+            );
+        }
+    }
+
+    string[] findAllTags() {
+        return util.sqlite.findAll(
+            db,
+            "SELECT DISTINCT tag FROM transaction_draft_tag ORDER BY tag",
+            r => r.peek!string(0)
+        );
+    }
+
+
+
     private QueryBuilder getBuilderForDraftsList() {
         return QueryBuilder("transaction_draft draft")
             .join("LEFT JOIN transaction_vendor vendor ON vendor.id = draft.vendor_id")
@@ -784,4 +887,19 @@ class SqliteTransactionDraftRepository : TransactionDraftRepository {
         }
         return item;
     }
+
+    private void insertLineItems(ulong draftId, in TransactionDraftPayload payload) {
+        foreach (size_t idx, lineItem; payload.lineItems) {
+            util.sqlite.update(
+                db,
+                import("sql/insert_line_item_draft.sql"),
+                draftId,
+                idx,
+                lineItem.valuePerItem,
+                lineItem.quantity,
+                lineItem.description,
+                lineItem.categoryId.toNullable()
+            );
+        }
+    }
 }

finnow-api/source/transaction/dto.d

@@ -182,5 +182,26 @@ struct TransactionDraftResponse {
 
 /// Data provided by users when creating or updating drafts.
 struct TransactionDraftPayload {
-    // TODO.
+    Optional!string templateName;
+    Optional!string timestamp;
+    Optional!ulong amount;
+    Optional!string currencyCode;
+    Optional!string description;
+    Optional!bool internalTransfer;
+
+    Optional!ulong vendorId;
+    Optional!ulong categoryId;
+    Optional!ulong creditedAccountId;
+    Optional!ulong debitedAccountId;
+    
+    string[] tags;
+    LineItemPayload[] lineItems;
+    ulong[] attachmentIdsToRemove;
+
+    static struct LineItemPayload {
+        long valuePerItem;
+        ulong quantity;
+        string description;
+        Optional!ulong categoryId;
+    }
 }

finnow-api/source/transaction/service.d

@@ -45,6 +45,7 @@ TransactionDetail addTransaction(ProfileDataSource ds, in AddTransactionPayload
     AttachmentRepository attachmentRepo = ds.getAttachmentRepository();
 
     validateTransactionPayload(vendorRepo, categoryRepo, accountRepo, payload);
+    SysTime now = Clock.currTime(UTC());
     SysTime timestamp = SysTime.fromISOExtString(payload.timestamp, UTC());
 
     // Add the transaction:
@@ -74,7 +75,7 @@ TransactionDetail addTransaction(ProfileDataSource ds, in AddTransactionPayload
         }
         TransactionTagRepository tagRepo = ds.getTransactionTagRepository();
         tagRepo.updateTags(txn.id, payload.tags);
-        updateAttachments(txn.id, timestamp, payload.attachmentIdsToRemove, files, attachmentRepo, txnRepo);
+        updateAttachments(txn.id, now, payload.attachmentIdsToRemove, files, attachmentRepo, txnRepo);
         txnId = txn.id;
     });
     return getTransaction(ds, txnId);
@@ -95,6 +96,7 @@ TransactionDetail updateTransaction(
 
     validateTransactionPayload(vendorRepo, categoryRepo, accountRepo, payload);
     SysTime timestamp = SysTime.fromISOExtString(payload.timestamp, UTC());
+    SysTime now = Clock.currTime(UTC());
 
     const TransactionDetail prev = transactionRepo.findById(transactionId)
         .orElseThrow(() => new HttpStatusException(HttpStatus.NOT_FOUND));
@@ -104,7 +106,7 @@ TransactionDetail updateTransaction(
         TransactionDetail curr = transactionRepo.update(transactionId, payload);
         updateLinkedAccountJournalEntries(prev, curr, payload, ds, timestamp);
         tagRepo.updateTags(transactionId, payload.tags);
-        updateAttachments(curr.id, timestamp, payload.attachmentIdsToRemove, files, attachmentRepo, transactionRepo);
+        updateAttachments(curr.id, now, payload.attachmentIdsToRemove, files, attachmentRepo, transactionRepo);
     });
     return getTransaction(ds, transactionId);
 }
@@ -499,18 +501,99 @@ void deleteCategory(ProfileDataSource ds, ulong categoryId) {
 
 // Draft services
 
-Page!TransactionDraftListItem getDrafts(ProfileDataSource ds, in PageRequest pr) {
+Page!TransactionDraftListItem getDrafts(ProfileDataSource ds, in PageRequest pr, bool shouldFetchTemplates) {
+    if (shouldFetchTemplates) {
+        return ds.getTransactionDraftRepository()
+            .findAllTemplates(pr);
+    }
     return ds.getTransactionDraftRepository()
         .findAllDrafts(pr);
 }
 
-Page!TransactionDraftListItem getTemplates(ProfileDataSource ds, in PageRequest pr) {
-    return ds.getTransactionDraftRepository()
-        .findAllTemplates(pr);
-}
-
 TransactionDraftResponse getDraft(ProfileDataSource ds, ulong draftId) {
     return ds.getTransactionDraftRepository()
         .findById(draftId)
+        // Populate the list of attachments for the draft.
+        .mapIfPresent!((draft) {
+            import std.algorithm : map;
+            import std.array : array;
+            draft.attachments = ds.getAttachmentRepository()
+                .findAllByTransactionDraftId(draft.id)
+                .map!(AttachmentResponse.of)
+                .array;
+            return draft;
+        })
         .orElseThrow(() => new HttpStatusException(HttpStatus.NOT_FOUND));
 }
+
+TransactionDraftResponse addDraft(ProfileDataSource ds, in TransactionDraftPayload payload, in MultipartFile[] files) {
+    TransactionDraftRepository draftRepo = ds.getTransactionDraftRepository();
+    AttachmentRepository attachmentRepo = ds.getAttachmentRepository();
+    
+    validateDraftPayload(payload);
+    SysTime now = Clock.currTime(UTC());
+
+    ulong draftId;
+    ds.doTransaction(() {
+        TransactionDraftResponse draft = draftRepo.insert(payload);
+        draftRepo.updateTags(draft.id, payload.tags);
+        updateDraftAttachments(draft.id, now, payload.attachmentIdsToRemove, files, attachmentRepo, draftRepo);
+        draftId = draft.id;
+    });
+    return getDraft(ds, draftId);
+}
+
+TransactionDraftResponse updateDraft(
+    ProfileDataSource ds,
+    ulong draftId,
+    in TransactionDraftPayload payload,
+    in MultipartFile[] files
+) {
+    TransactionDraftRepository draftRepo = ds.getTransactionDraftRepository();
+    AttachmentRepository attachmentRepo = ds.getAttachmentRepository();
+
+    validateDraftPayload(payload);
+    SysTime now = Clock.currTime(UTC());
+
+    ds.doTransaction(() {
+        draftRepo.update(draftId, payload);
+        draftRepo.updateTags(draftId, payload.tags);
+        updateDraftAttachments(draftId, now, payload.attachmentIdsToRemove, files, attachmentRepo, draftRepo);
+    });
+    return getDraft(ds, draftId);
+}
+
+void deleteDraft(ProfileDataSource ds, ulong draftId) {
+    TransactionDraftRepository draftRepo = ds.getTransactionDraftRepository();
+    AttachmentRepository attachmentRepo = ds.getAttachmentRepository();
+    TransactionDraftResponse draft = draftRepo.findById(draftId)
+        .orElseThrow(() => new HttpStatusException(HttpStatus.NOT_FOUND));
+    ds.doTransaction(() {
+        // First delete all attachments.
+        foreach (a; attachmentRepo.findAllByTransactionDraftId(draft.id)) {
+            attachmentRepo.remove(a.id);
+        }
+        draftRepo.deleteById(draft.id);
+    });
+}
+
+private void validateDraftPayload(in TransactionDraftPayload payload) {
+    // TODO!
+}
+
+private void updateDraftAttachments(
+    ulong draftId,
+    SysTime timestamp,
+    in ulong[] attachmentIdsToRemove,
+    in MultipartFile[] attachmentsToAdd,
+    AttachmentRepository attachmentRepo,
+    TransactionDraftRepository draftRepo
+) {
+    foreach (file; attachmentsToAdd) {
+        ulong attachmentId = attachmentRepo.save(timestamp, file.name, file.contentType, file.content);
+        draftRepo.linkAttachment(draftId, attachmentId);
+    }
+    foreach (idToRemove; attachmentIdsToRemove) {
+        attachmentRepo.remove(idToRemove);
+    }
+}

finnow-api/sql/insert_line_item_draft.sql

@@ -0,0 +1,8 @@
+INSERT INTO transaction_draft_line_item (
+    draft_id,
+    idx,
+    value_per_item,
+    quantity,
+    description,
+    category_id
+) VALUES (?, ?, ?, ?, ?, ?)

finnow-api/sql/insert_transaction_draft.sql

@@ -0,0 +1,13 @@
+INSERT INTO transaction_draft (
+    added_at,
+    template_name,
+    timestamp,
+    amount,
+    currency,
+    description,
+    internal_transfer,
+    vendor_id,
+    category_id,
+    credited_account_id,
+    debited_account_id
+) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)

finnow-api/sql/query/get_line_items_draft.sql

@@ -0,0 +1,17 @@
+SELECT
+i.idx,
+i.value_per_item,
+i.quantity,
+i.description,
+
+i.category_id,
+category.parent_id,
+category.name,
+category.description,
+category.color
+
+FROM transaction_draft_line_item i
+LEFT JOIN transaction_category category
+	ON category.id = i.category_id
+WHERE i.draft_id = ?
+ORDER BY idx;

finnow-api/sql/update_transaction_draft.sql

@@ -0,0 +1,13 @@
+UPDATE transaction_draft
+SET
+    template_name = ?,
+    timestamp = ?,
+    amount = ?,
+    currency = ?,
+    description = ?,
+    internal_transfer = ?,
+    vendor_id = ?,
+    category_id = ?,
+    credited_account_id = ?,
+    debited_account_id = ?
+WHERE id = ?