feat: 添加分类提案功能，包括提案表单和相关后端逻辑

frontend_nuxt/components/PostTypeSelect.vue

@@ -34,6 +34,7 @@ export default {
         { id: 'NORMAL', name: '普通帖子', icon: 'file-text' },
         { id: 'LOTTERY', name: '抽奖帖子', icon: 'gift' },
         { id: 'POLL', name: '投票帖子', icon: 'ranking-list' },
+        { id: 'PROPOSAL', name: '分类提案', icon: 'tag-one' },
       ]
     }
 

frontend_nuxt/components/ProposalForm.vue

@@ -0,0 +1,133 @@
+<template>
+  <div class="proposal-section">
+    <div class="proposal-row">
+      <span class="proposal-row-title">拟议分类名称</span>
+      <BaseInput v-model="data.proposedName" placeholder="请输入分类名称" />
+    </div>
+    <div class="proposal-row">
+      <span class="proposal-row-title">拟议分类 Slug</span>
+      <BaseInput v-model="data.proposedSlug" placeholder="小写短横线分隔，如: tech-news" />
+    </div>
+    <div class="proposal-row">
+      <span class="proposal-row-title">提案描述</span>
+      <BaseInput v-model="data.proposalDescription" placeholder="简要说明提案目的与理由" />
+    </div>
+    <div class="proposal-row two-col">
+      <div class="proposal-col">
+        <span class="proposal-row-title">通过阈值(%)</span>
+        <input
+          class="number-input"
+          type="number"
+          v-model.number="data.approveThreshold"
+          min="0"
+          max="100"
+        />
+      </div>
+      <div class="proposal-col">
+        <span class="proposal-row-title">法定最小参与数</span>
+        <input class="number-input" type="number" v-model.number="data.quorum" min="0" />
+      </div>
+    </div>
+    <div class="proposal-row">
+      <span class="proposal-row-title">投票结束时间</span>
+      <client-only>
+        <flat-pickr v-model="data.endTime" :config="dateConfig" class="time-picker" />
+      </client-only>
+    </div>
+    <div class="proposal-row">
+      <span class="proposal-row-title">投票选项</span>
+      <div class="poll-option-item" v-for="(opt, idx) in data.options" :key="idx">
+        <BaseInput v-model="data.options[idx]" placeholder="选项内容" />
+        <i
+          v-if="data.options.length > 2"
+          class="fa-solid fa-xmark remove-option-icon"
+          @click="removeOption(idx)"
+        ></i>
+      </div>
+      <div class="add-option" @click="addOption">添加选项</div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import 'flatpickr/dist/flatpickr.css'
+import FlatPickr from 'vue-flatpickr-component'
+import BaseInput from '~/components/BaseInput.vue'
+
+const props = defineProps({
+  data: { type: Object, required: true },
+})
+
+const dateConfig = { enableTime: true, time_24hr: true, dateFormat: 'Y-m-d H:i' }
+
+const addOption = () => {
+  props.data.options.push('')
+}
+
+const removeOption = (idx) => {
+  if (props.data.options.length > 2) {
+    props.data.options.splice(idx, 1)
+  }
+}
+</script>
+
+<style scoped>
+.proposal-section {
+  margin-top: 20px;
+  display: flex;
+  flex-direction: column;
+  gap: 20px;
+  margin-bottom: 200px;
+}
+.proposal-row-title {
+  font-size: 16px;
+  color: var(--text-color);
+  font-weight: bold;
+  margin-bottom: 10px;
+}
+.proposal-row {
+  display: flex;
+  flex-direction: column;
+}
+.two-col {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 20px;
+}
+.proposal-col {
+  display: flex;
+  flex-direction: column;
+}
+.number-input {
+  max-width: 120px;
+  height: 30px;
+  border-radius: 5px;
+  border: 1px solid var(--border-color);
+  padding: 0 10px;
+  font-size: 16px;
+  color: var(--text-color);
+  background-color: var(--lottery-background-color);
+}
+.poll-option-item {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  margin-bottom: 10px;
+}
+.remove-option-icon {
+  cursor: pointer;
+}
+.add-option {
+  color: var(--primary-color);
+  cursor: pointer;
+  width: fit-content;
+  margin-top: 5px;
+}
+.time-picker {
+  max-width: 200px;
+  height: 30px;
+  background-color: var(--lottery-background-color);
+  border-radius: 5px;
+  border: 1px solid var(--border-color);
+}
+</style>