feat(backend): add admin page for problems

4 files changed, 91 insertions, 0 deletions

diff --git a/backend/admin/templates/dashboard.html b/backend/admin/templates/dashboard.html
index dcc71ba..1ea40c9 100644
--- a/backend/admin/templates/dashboard.html
+++ b/backend/admin/templates/dashboard.html
@@ -8,6 +8,9 @@
   <a href="{{ .BasePath }}admin/games">Games</a>
 </p>
 <p>
+  <a href="{{ .BasePath }}admin/problems">Problems</a>
+</p>
+<p>
   <a href="{{ .BasePath }}admin/online-qualifying-ranking?game_1=7&game_2=8">Online Qualifying Ranking</a>
 </p>
 <form method="post" action="{{ .BasePath }}admin/fix">
diff --git a/backend/admin/templates/problem_edit.html b/backend/admin/templates/problem_edit.html
new file mode 100644
index 0000000..cc700f4
--- /dev/null
+++ b/backend/admin/templates/problem_edit.html
@@ -0,0 +1,36 @@
+{{ template "base.html" . }}
+
+{{ define "breadcrumb" }}
+<a href="{{ .BasePath }}admin/dashboard">Dashboard</a> | <a href="{{ .BasePath }}admin/problems">Problems</a>
+{{ end }}
+
+{{ define "content" }}
+<form method="post">
+  <div>
+    <label>Problem ID</label>
+    <input type="text" name="problem_id" value="{{ .Problem.ProblemID }}" readonly required>
+  </div>
+  <div>
+    <label>Title</label>
+    <input type="text" name="title" value="{{ .Problem.Title }}" required>
+  </div>
+  <div>
+    <label>Description</label>
+    <textarea name="description" rows="10" required>{{ .Problem.Description }}</textarea>
+  </div>
+  <div>
+    <label>Language</label>
+    <select name="language" required>
+      <option value="php"{{ if eq .Problem.Language "php" }} selected{{ end }}>PHP</option>
+      <option value="swift"{{ if eq .Problem.Language "swift" }} selected{{ end }}>Swift</option>
+    </select>
+  </div>
+  <div>
+    <label>Sample Code</label>
+    <textarea name="sample_code" rows="15" required>{{ .Problem.SampleCode }}</textarea>
+  </div>
+  <div>
+    <button type="submit">Save</button>
+  </div>
+</form>
+{{ end }}
diff --git a/backend/admin/templates/problem_new.html b/backend/admin/templates/problem_new.html
new file mode 100644
index 0000000..ed8ad2a
--- /dev/null
+++ b/backend/admin/templates/problem_new.html
@@ -0,0 +1,32 @@
+{{ template "base.html" . }}
+
+{{ define "breadcrumb" }}
+<a href="{{ .BasePath }}admin/dashboard">Dashboard</a> | <a href="{{ .BasePath }}admin/problems">Problems</a>
+{{ end }}
+
+{{ define "content" }}
+<form method="post">
+  <div>
+    <label>Title</label>
+    <input type="text" name="title" required>
+  </div>
+  <div>
+    <label>Description</label>
+    <textarea name="description" rows="10" required></textarea>
+  </div>
+  <div>
+    <label>Language</label>
+    <select name="language" required>
+      <option value="php">PHP</option>
+      <option value="swift">Swift</option>
+    </select>
+  </div>
+  <div>
+    <label>Sample Code</label>
+    <textarea name="sample_code" rows="15" required></textarea>
+  </div>
+  <div>
+    <button type="submit">Create</button>
+  </div>
+</form>
+{{ end }}
diff --git a/backend/admin/templates/problems.html b/backend/admin/templates/problems.html
new file mode 100644
index 0000000..120789e
--- /dev/null
+++ b/backend/admin/templates/problems.html
@@ -0,0 +1,20 @@
+{{ template "base.html" . }}
+
+{{ define "breadcrumb" }}
+<a href="{{ .BasePath }}admin/dashboard">Dashboard</a>
+{{ end }}
+
+{{ define "content" }}
+<div>
+  <a href="{{ .BasePath }}admin/problems/new">Create New Problem</a>
+</div>
+<ul>
+  {{ range .Problems }}
+    <li>
+      <a href="{{ $.BasePath }}admin/problems/{{ .ProblemID }}">
+        {{ .Title }} (id={{ .ProblemID }} language={{ .Language }})
+      </a>
+    </li>
+  {{ end }}
+</ul>
+{{ end }}