delete documents

src/main/kotlin/wanijo/wanijo2/domain/document.kt

@@ -1,6 +1,7 @@
 package wanijo.wanijo2.domain
 
 import org.springframework.data.annotation.Id
+import org.springframework.data.jdbc.repository.query.Modifying
 import org.springframework.data.jdbc.repository.query.Query
 import org.springframework.data.relational.core.mapping.Table
 import org.springframework.data.repository.Repository
@@ -38,4 +39,13 @@ interface DocumentDao: Repository<Document, DocumentId> {
         """
     )
     fun findByTagName(tagName: String): List<Document>
+
+    @Modifying
+    @Query(
+        """
+            DELETE FROM t_document
+             WHERE id = :documentId
+        """
+    )
+    fun delete(documentId: DocumentId)
 }

src/main/kotlin/wanijo/wanijo2/domain/event/AssignTaggingCommand.kt

@@ -1,15 +1,12 @@
 package wanijo.wanijo2.domain.event
 
 import jakarta.validation.constraints.Min
-import jakarta.validation.constraints.NotEmpty
 import wanijo.wanijo2.domain.DocumentId
 import wanijo.wanijo2.domain.TagId
 
 data class AssignTaggingCommand(
-    @NotEmpty
     @Min(1)
     val tagId: TagId,
-    @NotEmpty
     @Min(1)
     val documentId: DocumentId
 )

src/main/kotlin/wanijo/wanijo2/domain/event/DeleteDocumentCommand.kt

@@ -0,0 +1,9 @@
+package wanijo.wanijo2.domain.event
+
+import jakarta.validation.constraints.Min
+import wanijo.wanijo2.domain.DocumentId
+
+data class DeleteDocumentCommand(
+    @Min(1)
+    val documentId: DocumentId
+)

src/main/kotlin/wanijo/wanijo2/domain/event/DeleteTaggingCommand.kt

@@ -1,15 +1,12 @@
 package wanijo.wanijo2.domain.event
 
 import jakarta.validation.constraints.Min
-import jakarta.validation.constraints.NotEmpty
 import wanijo.wanijo2.domain.DocumentId
 import wanijo.wanijo2.domain.TagId
 
 data class DeleteTaggingCommand(
-    @NotEmpty
     @Min(1)
     val tagId: TagId,
-    @NotEmpty
     @Min(1)
     val documentId: DocumentId
 )

src/main/kotlin/wanijo/wanijo2/domain/handler/DeleteDocumentHandler.kt

@@ -0,0 +1,16 @@
+package wanijo.wanijo2.domain.handler
+
+import org.springframework.stereotype.Service
+import wanijo.wanijo2.domain.DocumentDao
+import wanijo.wanijo2.domain.event.DeleteDocumentCommand
+
+@Service
+class DeleteDocumentHandler(
+    val documentDao: DocumentDao
+) {
+
+    fun exec(command: DeleteDocumentCommand) {
+        documentDao.delete(command.documentId)
+    }
+
+}

src/main/kotlin/wanijo/wanijo2/http/controller/DeleteController.kt

@@ -0,0 +1,24 @@
+package wanijo.wanijo2.http.controller
+
+import jakarta.validation.Valid
+import org.springframework.stereotype.Controller
+import org.springframework.web.bind.annotation.PostMapping
+import wanijo.wanijo2.domain.event.DeleteDocumentCommand
+import wanijo.wanijo2.domain.handler.DeleteDocumentHandler
+
+@Controller
+class DeleteController(
+    val deleteDocumentHandler: DeleteDocumentHandler
+) {
+
+    @PostMapping("/document/delete")
+    fun delete(
+        @Valid
+        command: DeleteDocumentCommand
+    ): String {
+        deleteDocumentHandler.exec(command)
+
+        return "redirect:/"
+    }
+
+}

src/main/kotlin/wanijo/wanijo2/http/controller/ListController.kt

@@ -15,6 +15,7 @@ class ListController(
     fun list(
         model: Model
     ): String {
+        // TODO build overview class for documents without sub fields
         model["documents"] = docDao.findAll()
         return "list"
     }

src/main/resources/db/migration/V202507181738__label_date_fields.sql

@@ -6,7 +6,12 @@ CREATE TABLE t_label_field
     "VALUE"    VARCHAR,
     created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT now(),
     updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT now(),
-    t_document INT REFERENCES t_document (id) NOT NULL
+    t_document INT                      NOT NULL,
+
+    CONSTRAINT fk_label_field_doc_id
+        FOREIGN KEY (t_document)
+            REFERENCES t_document
+            ON DELETE CASCADE
 );
 
 CREATE TABLE t_date_field
@@ -17,7 +22,12 @@ CREATE TABLE t_date_field
     "VALUE"    TIMESTAMP WITH TIME ZONE,
     created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT now(),
     updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT now(),
-    t_document INT REFERENCES t_document (id) NOT NULL
+    t_document INT                      NOT NULL,
+
+    CONSTRAINT fk_date_field_doc_id
+        FOREIGN KEY (t_document)
+            REFERENCES t_document
+            ON DELETE CASCADE
 );
 
 CREATE TABLE t_tag
@@ -30,6 +40,19 @@ CREATE TABLE t_tag
 CREATE TABLE t_document_tagging
 (
     id          INT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
-    tag_id      INT references t_tag,
+    tag_id      INT NOT NULL,
-    document_id INT references t_document
+    document_id INT NOT NULL,
+
+    CONSTRAINT fk_doc_tagging_tag_id
+        FOREIGN KEY (tag_id)
+            REFERENCES t_tag
+            ON DELETE CASCADE,
+
+    CONSTRAINT fk_doc_tagging_doc_id
+        FOREIGN KEY (document_id)
+            REFERENCES t_document
+            ON DELETE CASCADE,
+
+    CONSTRAINT uq_doc_tagging
+        UNIQUE (document_id, tag_id)
 );

src/main/resources/static/stylesheet.css

@@ -1,6 +1,7 @@
 body {
     --dark-grey: #717171;
     --light-grey: #858585;
+    --warning: #ce0000;
 
     margin: 0 5rem;
     font-family: sans-serif;
@@ -13,6 +14,10 @@ body {
     a:hover, a:active {
         text-decoration: underline;
     }
+
+    .warning {
+        color: var(--warning);
+    }
 }
 
 nav {
@@ -113,6 +118,10 @@ form {
     textarea {
         min-height: 10rem;
     }
+
+    [type=submit] {
+        padding: .3rem;
+    }
 }
 
 .form-link {
@@ -130,3 +139,7 @@ form {
         }
     }
 }
+
+.form-inline {
+    display: block;
+}

src/main/resources/templates/show.html

@@ -33,11 +33,12 @@
 
                 <ul class="tag-container">
                     <li th:each="tag : ${documentTags}" class="tag-block">
-                        <th:block th:text="${tag.name}"/>
                         <form class="form-link" th:action="@{/tagging/delete}" method="post">
                             <input type="hidden" name="tagId" th:value="${tag.id}">
                             <input type="hidden" name="documentId" th:value="${document.id}">
-                            <button type="submit">🞭</button>
+                            <button type="submit">
+                                <th:block th:text="${tag.name}"/>
+                            </button>
                         </form>
                     </li>
                 </ul>
@@ -51,14 +52,23 @@
             <h2 class="low-key-hint">taggen</h2>
             <ul class="tag-container">
                 <li th:each="tag : ${assignableTags}" class="tag-block">
-                    <th:block th:text="${tag.name}"/>
                     <form class="form-link" th:action="@{/tagging/assign}" method="post">
                         <input type="hidden" name="tagId" th:value="${tag.id}">
                         <input type="hidden" name="documentId" th:value="${document.id}">
-                        <button type="submit">⊕</button>
+                        <button type="submit">
+                            <th:block th:text="${tag.name}"/>
+                        </button>
                     </form>
                 </li>
             </ul>
+
+            <h2 class="warning">gefahr</h2>
+            <form class="form-inline" th:action="@{/document/delete}" method="post">
+                <input type="hidden" name="documentId" th:value="${document.id}">
+                <button type="submit" class="warning">
+                    LÖSCHEN
+                </button>
+            </form>
         </main>
     </body>
 </html>