#### What type of PR is this?
/kind feature
/area core
/kind api-change
/milestone 2.0
#### What this PR does / why we need it:
Add Menu and MenuItem Extension to realise multi menu feature.
#### Does this PR introduce a user-facing change?
```release-note
添加菜单功能
```
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#### What type of PR is this?
/kind feature
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/area core
/kind api-change
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#### What this PR does / why we need it:
新增主题卸载 endpoint
#### Which issue(s) this PR fixes:
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Fixes#2306
#### Special notes for your reviewer:
/cc @halo-dev/sig-halo
#### Does this PR introduce a user-facing change?
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None
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Signed-off-by: Ryan Wang <i@ryanc.cc>
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#### What type of PR is this?
/kind feature
/milestone 2.0
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#### What this PR does / why we need it:
新增主题上传支持，适配 https://github.com/halo-dev/halo/pull/2302
/hold until https://github.com/halo-dev/halo/pull/2302 merge
#### Which issue(s) this PR fixes:
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Fixeshalo-dev/halo#2291
#### Screenshots:
<img width="1920" alt="image" src="https://user-images.githubusercontent.com/21301288/182769346-4445639c-dd82-496c-9a1b-e241098fb272.png">
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#### Special notes for your reviewer:
/cc @halo-dev/sig-halo-admin
#### Does this PR introduce a user-facing change?
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#### What type of PR is this?
/kind feature
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/milestone 2.0
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#### What this PR does / why we need it:
新增主题安装功能，endpoint：POST /apis/api.halo.run/v1alpha1/themes/install
限制：主题不允许重复安装，重复安装属于更新功能
#### Which issue(s) this PR fixes:
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Fixes#2291
#### Special notes for your reviewer:
/cc @halo-dev/sig-halo
#### Does this PR introduce a user-facing change?
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```release-note
None
```
Signed-off-by: Ryan Wang <i@ryanc.cc>
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#### What type of PR is this?
/kind feature
/milestone 2.0
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#### What this PR does / why we need it:
为主题添加设置表单支持，适配 https://github.com/halo-dev/halo/pull/2299
/hold until https://github.com/halo-dev/halo/pull/2299 merge
#### Which issue(s) this PR fixes:
Fixes https://github.com/halo-dev/halo/issues/2298
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#### Screenshots:
|<img width="1564" alt="image" src="https://user-images.githubusercontent.com/21301288/182583412-f14a890e-25ee-418c-b921-0924f94c0d1b.png">|<img width="1564" alt="image" src="https://user-images.githubusercontent.com/21301288/182583525-26fe165c-2dd0-4068-9d52-659dc626367a.png">|
| ---- | ---- |
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#### Special notes for your reviewer:
测试方式：
1. Halo 后端需要 checkout 到 https://github.com/halo-dev/halo/pull/2299 分支。
2. 将被测主题放置在 `~/halo-next/themes`，可以使用 https://github.com/ruibaby/theme-astro-starter
3. 使用主题内的 `theme.yaml` 和 `settings.yaml` 创建 `Theme` 和 `Setting` 的资源。
4. admin 需要 checkout 到当前 PR 的分支，启动开发服务之后在主题列表即可启用该主题。
5. 测试保存和更新主题配置。
#### Does this PR introduce a user-facing change?
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None
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#### What type of PR is this?
/kind improvement
/area core
/milestone 2.0
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#### What this PR does / why we need it:
主题支持配置 settingName 和 configMapName
#### Which issue(s) this PR fixes:
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Fixes#2298
#### Special notes for your reviewer:
/cc @halo-dev/sig-halo
#### Does this PR introduce a user-facing change?
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```release-note
None
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#### What type of PR is this?
/kind feature
/area core
/milestone 2.0
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#### What this PR does / why we need it:
主题可以通过 temporals 表达式方言来格式化日期，格式化时会根据时区显示，例如：`${#temporals.format(instants, 'yyyy-MM-dd HH:mm:ss')}`
访问主题时通过携带 cookie 如 cookie:time_zone=Africa/Accra 来切换时区
支持的时区列表参考：https://jenkov.com/tutorials/java-date-time/java-util-timezone.html
表达式更多用法参考：https://github.com/thymeleaf/thymeleaf-extras-java8time
#### Which issue(s) this PR fixes:
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Fixes#2293
#### Special notes for your reviewer:
/cc @halo-dev/sig-halo
#### Does this PR introduce a user-facing change?
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None
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#### What type of PR is this?
/kind improvement
/area core
/milestone 2.0
#### What this PR does / why we need it:
This PR introduces [openapi4j](https://github.com/openapi4j/openapi4j) to replace JSON schema. See #2294 for more.
#### Which issue(s) this PR fixes:
Fix#2294
#### Does this PR introduce a user-facing change?
```release-note
None
```
Signed-off-by: Ryan Wang <i@ryanc.cc>
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/kind feature
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#### What this PR does / why we need it:
添加基础的主题管理支持，适配 https://github.com/halo-dev/halo/pull/2280
/hold until https://github.com/halo-dev/halo/pull/2280 merge
#### Which issue(s) this PR fixes:
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None
#### Screenshots:
|<img width="1564" alt="image" src="https://user-images.githubusercontent.com/21301288/182314023-546d5fe1-03bb-4c7e-af36-6730ab051931.png">|<img width="1564" alt="image" src="https://user-images.githubusercontent.com/21301288/182314339-6c13b60a-cddc-449d-a06f-faaa53f76335.png">|
| ---- | ---- |
|<img width="1564" alt="image" src="https://user-images.githubusercontent.com/21301288/182314487-4c551208-938c-4582-bce6-7f589f278e8f.png">| |
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#### Special notes for your reviewer:
None
#### Does this PR introduce a user-facing change?
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None
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#### What type of PR is this?
/kind feature
/area core
/milestone 2.0
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#### What this PR does / why we need it:
主题设计的具体实现
https://github.com/halo-dev/rfcs/tree/main/theme
1. 主题支持多语言，在主题目录的 i18n目录下
2. 主题支持预览，但暂未添加是否开启预览的限制
3. 主题及语言文件默认支持缓存，但暂未支持是否关闭缓存选项
4. 主题名称与主题目录必须一致
5. 主题可以通过添加参数 language 来切换语言，例如 /post?language=en
```text
├── i18n
│ └── default.properties
│ └── en.properties
├── templates
│ └── assets
├── css
│ └── style.css
├── js
│ └── main.js
│ └── index.html
├── README.md
└── settings.yaml
└── theme.yaml
```
#### Which issue(s) this PR fixes:
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Fixes #
#### Special notes for your reviewer:
/cc @halo-dev/sig-halo
#### Does this PR introduce a user-facing change?
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None
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#### What type of PR is this?
/kind feature
/kind api-change
/area core
/milestone 2.0
/release-note-none
#### What this PR does / why we need it:
- Add `IN` operator for fieldSelector and labelSelector.
- Adapt name field selector with `IN` operator.
```release-note
None
```
Signed-off-by: Ryan Wang <i@ryanc.cc>
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/kind feature
/milestone 2.0
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/kind regression
-->
#### What this PR does / why we need it:
适配 https://github.com/halo-dev/halo/pull/2279
接口支持通过参数筛选数据。
#### Which issue(s) this PR fixes:
<!--
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None
#### Screenshots:
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None
#### Special notes for your reviewer:
/hold until https://github.com/halo-dev/halo/pull/2279 merge
#### Does this PR introduce a user-facing change?
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```release-note
None
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#### What type of PR is this?
/kind feature
/kind api-change
/area core
/milestone 2.0
#### What this PR does / why we need it:
Add label and field selector to Extension list API for filtering Extensions.
<img width="322" alt="image" src="https://user-images.githubusercontent.com/16865714/181462887-549162fd-5e8d-4cec-834c-24875ada4789.png">
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.0
#### What this PR does / why we need it:
Add all-api group for swagger. Related to https://github.com/halo-dev/halo/pull/2273.
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.0
#### What this PR does / why we need it:
This PR makes required extensions got initialized when system starts up. Of course, we can stop the initialization by setting property `halo.required-extension-disabled=true`.
Secondly, we are using [PathMatchingResourcePatternResolver](https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/core/io/support/PathMatchingResourcePatternResolver.html) support more functional Extension locations, please see the doc for more.
#### Does this PR introduce a user-facing change?
```release-note
None
```
Ryan Wang
