From 8e4b400193d29d73aa04e360b2b1d3907de16fe5 Mon Sep 17 00:00:00 2001
From: Josha von Gizycki <josha.von.gizycki@iserv.eu>
Date: Fri, 8 Aug 2025 19:28:31 +0200
Subject: [PATCH] editing documents

---
 .../kotlin/wanijo/wanijo2/domain/document.kt  | 27 +++++++++---
 .../domain/event/EditDocumentCommand.kt       | 25 +++++++++++
 .../domain/handler/EditDocumentHandler.kt     | 20 +++++++++
 src/main/kotlin/wanijo/wanijo2/domain/tag.kt  |  3 +-
 .../wanijo2/http/controller/EditController.kt | 43 +++++++++++++++++++
 src/main/resources/static/stylesheet.css      |  2 +-
 src/main/resources/templates/edit.html        | 26 +++++++++++
 src/main/resources/templates/new.html         |  2 +-
 src/main/resources/templates/show.html        |  7 ++-
 9 files changed, 145 insertions(+), 10 deletions(-)
 create mode 100644 src/main/kotlin/wanijo/wanijo2/domain/event/EditDocumentCommand.kt
 create mode 100644 src/main/kotlin/wanijo/wanijo2/domain/handler/EditDocumentHandler.kt
 create mode 100644 src/main/kotlin/wanijo/wanijo2/http/controller/EditController.kt
 create mode 100644 src/main/resources/templates/edit.html

diff --git a/src/main/kotlin/wanijo/wanijo2/domain/document.kt b/src/main/kotlin/wanijo/wanijo2/domain/document.kt
index 9ade1fc..18e77e5 100644
--- a/src/main/kotlin/wanijo/wanijo2/domain/document.kt
+++ b/src/main/kotlin/wanijo/wanijo2/domain/document.kt
@@ -8,13 +8,15 @@ import org.springframework.data.repository.Repository
 import java.time.ZonedDateTime
 
 typealias DocumentId = Long
+typealias DocumentName = String
+typealias DocumentDescription = String
 
 @Table("T_DOCUMENT")
 data class Document(
     @Id
     val id: DocumentId = 0,
-    val name: String,
-    val description: String = "",
+    val name: DocumentName,
+    val description: DocumentDescription = "",
     val updatedAt: ZonedDateTime = ZonedDateTime.now(),
     val createdAt: ZonedDateTime = ZonedDateTime.now(),
     val labelFields: Set<LabelField> = emptySet(),
@@ -23,8 +25,8 @@ data class Document(
 
 interface DocumentDao: Repository<Document, DocumentId> {
     fun findAll(): List<Document>
-    fun findById(id: Long): Document?
-    fun findByName(name: String): List<Document>
+    fun findById(id: DocumentId): Document?
+    fun findByName(name: DocumentName): List<Document>
     fun save(doc: Document): Document
 
     @Query(
@@ -38,7 +40,22 @@ interface DocumentDao: Repository<Document, DocumentId> {
              WHERE LOWER(tag.name) LIKE '%' || LOWER(:tagName) || '%'
         """
     )
-    fun findByTagName(tagName: String): List<Document>
+    fun findByTagName(tagName: TagName): List<Document>
+
+    @Modifying
+    @Query(
+        """
+            UPDATE t_document
+               SET name = :name,
+                   description = :description
+             WHERE id = :id
+        """
+    )
+    fun edit(
+        id: DocumentId,
+        name: DocumentName,
+        description: DocumentDescription
+    )
 
     @Modifying
     @Query(
diff --git a/src/main/kotlin/wanijo/wanijo2/domain/event/EditDocumentCommand.kt b/src/main/kotlin/wanijo/wanijo2/domain/event/EditDocumentCommand.kt
new file mode 100644
index 0000000..7a1601f
--- /dev/null
+++ b/src/main/kotlin/wanijo/wanijo2/domain/event/EditDocumentCommand.kt
@@ -0,0 +1,25 @@
+package wanijo.wanijo2.domain.event
+
+import jakarta.validation.constraints.Min
+import jakarta.validation.constraints.NotEmpty
+import wanijo.wanijo2.domain.Document
+import wanijo.wanijo2.domain.DocumentDescription
+import wanijo.wanijo2.domain.DocumentId
+import wanijo.wanijo2.domain.DocumentName
+
+data class EditDocumentCommand(
+    @Min(0)
+    val id: DocumentId,
+    @NotEmpty
+    val name: DocumentName,
+    val description: DocumentDescription
+) {
+    companion object {
+        fun fromDocument(doc: Document) =
+            EditDocumentCommand(
+                id = doc.id,
+                name = doc.name,
+                description = doc.description
+            )
+    }
+}
diff --git a/src/main/kotlin/wanijo/wanijo2/domain/handler/EditDocumentHandler.kt b/src/main/kotlin/wanijo/wanijo2/domain/handler/EditDocumentHandler.kt
new file mode 100644
index 0000000..e15c33c
--- /dev/null
+++ b/src/main/kotlin/wanijo/wanijo2/domain/handler/EditDocumentHandler.kt
@@ -0,0 +1,20 @@
+package wanijo.wanijo2.domain.handler
+
+import org.springframework.stereotype.Service
+import wanijo.wanijo2.domain.DocumentDao
+import wanijo.wanijo2.domain.event.EditDocumentCommand
+
+@Service
+class EditDocumentHandler(
+    val documentDao: DocumentDao
+) {
+
+    fun exec(command: EditDocumentCommand) {
+        documentDao.edit(
+            id = command.id,
+            name = command.name,
+            description = command.description
+        )
+    }
+
+}
diff --git a/src/main/kotlin/wanijo/wanijo2/domain/tag.kt b/src/main/kotlin/wanijo/wanijo2/domain/tag.kt
index 371c380..9983f90 100644
--- a/src/main/kotlin/wanijo/wanijo2/domain/tag.kt
+++ b/src/main/kotlin/wanijo/wanijo2/domain/tag.kt
@@ -9,12 +9,13 @@ import org.springframework.data.repository.Repository
 import java.time.ZonedDateTime
 
 typealias TagId = Long
+typealias TagName = String
 
 @Table("T_TAG")
 data class Tag(
     @Id
     val id: TagId = 0,
-    val name: String,
+    val name: TagName,
     val createdAt: ZonedDateTime = ZonedDateTime.now()
 )
 
diff --git a/src/main/kotlin/wanijo/wanijo2/http/controller/EditController.kt b/src/main/kotlin/wanijo/wanijo2/http/controller/EditController.kt
new file mode 100644
index 0000000..fc503e0
--- /dev/null
+++ b/src/main/kotlin/wanijo/wanijo2/http/controller/EditController.kt
@@ -0,0 +1,43 @@
+package wanijo.wanijo2.http.controller
+
+import jakarta.validation.Valid
+import org.springframework.stereotype.Controller
+import org.springframework.ui.Model
+import org.springframework.ui.set
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.PostMapping
+import wanijo.wanijo2.domain.DocumentDao
+import wanijo.wanijo2.domain.DocumentId
+import wanijo.wanijo2.domain.event.EditDocumentCommand
+import wanijo.wanijo2.domain.handler.EditDocumentHandler
+
+@Controller
+class EditController(
+    val documentDao: DocumentDao,
+    val editDocumentHandler: EditDocumentHandler
+) {
+
+    @GetMapping("/document/{id}/edit")
+    fun edit(
+        @PathVariable
+        id: DocumentId,
+        model: Model
+    ): String {
+        val doc = documentDao.findById(id)!!
+        model["form"] = EditDocumentCommand.fromDocument(doc)
+
+        return "edit"
+    }
+
+    @PostMapping("/document/edit")
+    fun edit(
+        @Valid
+        command: EditDocumentCommand
+    ): String {
+        editDocumentHandler.exec(command)
+
+        return "redirect:/document/${command.id}"
+    }
+
+}
diff --git a/src/main/resources/static/stylesheet.css b/src/main/resources/static/stylesheet.css
index 08d82b7..bc78dcd 100644
--- a/src/main/resources/static/stylesheet.css
+++ b/src/main/resources/static/stylesheet.css
@@ -116,7 +116,7 @@ form {
     }
 
     textarea {
-        min-height: 10rem;
+        min-height: 20rem;
     }
 
     [type=submit] {
diff --git a/src/main/resources/templates/edit.html b/src/main/resources/templates/edit.html
new file mode 100644
index 0000000..35457f9
--- /dev/null
+++ b/src/main/resources/templates/edit.html
@@ -0,0 +1,26 @@
+<!doctype html>
+<html xmlns:th="http://www.thymeleaf.org"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
+      layout:decorate="~{base}"
+      lang="">
+    <head>
+        <title th:text="${form.name}"></title>
+    </head>
+    <body>
+        <main id="content" layout:fragment="content">
+            <form th:action="@{/document/edit}" th:object="${form}" method="post">
+                <input type="hidden" th:field="*{id}">
+
+                <label for="name">name</label>
+                <input id="name" type="text" th:field="*{name}" required>
+
+                <label for="description">beschreibung</label>
+                <textarea id="description" th:field="*{description}"></textarea>
+
+                <button type="submit">
+                    bearbeiten
+                </button>
+            </form>
+        </main>
+    </body>
+</html>
diff --git a/src/main/resources/templates/new.html b/src/main/resources/templates/new.html
index 36f87e4..6c58ebe 100644
--- a/src/main/resources/templates/new.html
+++ b/src/main/resources/templates/new.html
@@ -4,7 +4,7 @@
       layout:decorate="~{base}"
       lang="">
     <head>
-        <title>Home</title>
+        <title>neu</title>
     </head>
     <body>
         <main id="content" layout:fragment="content">
diff --git a/src/main/resources/templates/show.html b/src/main/resources/templates/show.html
index 0e8302c..59f0524 100644
--- a/src/main/resources/templates/show.html
+++ b/src/main/resources/templates/show.html
@@ -4,7 +4,7 @@
       layout:decorate="~{base}"
       lang="">
     <head>
-        <title>Home</title>
+        <title th:text="${document.name}"></title>
     </head>
     <body>
         <main id="content" layout:fragment="content">
@@ -14,7 +14,10 @@
             </h2>
 
             <fieldset class="show__meta">
-                <legend>meta</legend>
+                <legend>
+                    meta
+                    <a th:href="@{/document/{id}/edit(id=${document.id})}">bearbeiten</a>
+                </legend>
 
                 <dl>
                     <dt>id:</dt>