feat: add public homepage and downloads

2026-07-06 23:18:08 +08:00
parent 8283573ddc
commit f158a08b9d
18 changed files with 1166 additions and 96 deletions
@@ -1,3 +1,71 @@
-from django.db import models
+from django.core.exceptions import ValidationError
+from django.core.validators import RegexValidator
+from django.db import models, transaction

-# Create your models here.
+
+class DownloadRelease(models.Model):
+    class Platform(models.TextChoices):
+        WINDOWS = "windows", "Windows"
+        MACOS = "macos", "macOS"
+        LINUX = "linux", "Linux"
+
+    platform = models.CharField("平台", max_length=32, choices=Platform.choices)
+    version = models.CharField("版本", max_length=64)
+    file = models.FileField("安装包文件", upload_to="downloads/", blank=True)
+    external_url = models.URLField("外部下载地址", blank=True)
+    sha256 = models.CharField(
+        "SHA256",
+        max_length=64,
+        blank=True,
+        validators=[
+            RegexValidator(
+                regex=r"^[A-Fa-f0-9]{64}$",
+                message="SHA256 必须是 64 位十六进制字符。",
+            )
+        ],
+    )
+    is_current = models.BooleanField("当前版本", default=False)
+    release_notes = models.TextField("发布说明", blank=True)
+    created_at = models.DateTimeField("创建时间", auto_now_add=True)
+    updated_at = models.DateTimeField("更新时间", auto_now=True)
+
+    class Meta:
+        db_table = "download_release"
+        verbose_name = "客户端下载版本"
+        verbose_name_plural = "客户端下载版本"
+        ordering = ("platform", "-is_current", "-created_at", "-id")
+        indexes = [
+            models.Index(
+                fields=("platform", "is_current"),
+                name="dl_platform_current_idx",
+            ),
+        ]
+
+    def __str__(self):
+        return f"{self.get_platform_display()} {self.version}"
+
+    @property
+    def download_url(self) -> str:
+        if self.external_url:
+            return self.external_url
+        if self.file:
+            return self.file.url
+        return ""
+
+    @property
+    def has_download(self) -> bool:
+        return bool(self.download_url)
+
+    def clean(self):
+        super().clean()
+        if not self.file and not self.external_url:
+            raise ValidationError("安装包文件和外部下载地址至少填写一个。")
+
+    def save(self, *args, **kwargs):
+        with transaction.atomic():
+            super().save(*args, **kwargs)
+            if self.is_current:
+                type(self).objects.filter(
+                    platform=self.platform,
+                    is_current=True,
+                ).exclude(pk=self.pk).update(is_current=False)