支持 Anthropic API 拉取模型列表（新结构体和认证头处理） #1571
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重构 FetchUpstreamModels 和 FetchModels，通过辅助函数（getChannelBaseURL、buildModelsURL、getAuthHeaders、parseModelsResponse）提高了代码复用性和可维护性。 新 FetchModels 改进了错误处理（更明确的错误信息）和类型检查。
使用已有的 getChannelBaseURL 函数，避免重复实现相同的逻辑
WalkthroughAdds Anthropic channel support and makes model-fetching channel-aware in controller/channel.go: new Anthropic types and an Anthropic-specific HTTP helper; branched URL/header selection and response parsing for Anthropic, Gemini, Ali, and default channels; adjusts ID normalization and imports. Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant Controller
participant AnthropicAPI as Anthropic API
participant GeminiAPI as Gemini API
participant OtherAPI as Other Upstream
Client->>Controller: FetchModels / FetchUpstreamModels(channel, apiKey)
alt channel == Anthropic
Controller->>AnthropicAPI: GET /models (x-api-key, anthropic-version, Content-Type)
AnthropicAPI-->>Controller: AnthropicModelsResponse (Data[])
Controller-->>Client: return model IDs (Data)
else channel == Gemini
Controller->>GeminiAPI: GET /v1beta/openai/models (Authorization: Bearer)
GeminiAPI-->>Controller: OpenAIModelsResponse
Controller-->>Client: return model IDs (trim "models/" prefixes)
else channel == Ali or default
Controller->>OtherAPI: GET channel-specific URL (Authorization: Bearer)
OtherAPI-->>Controller: OpenAIModelsResponse
Controller-->>Client: return model IDs
end
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~20 minutes Possibly related PRs
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Pre-merge checks and finishing touches❌ Failed checks (1 warning)
✅ Passed checks (2 passed)
✨ Finishing touches
🧪 Generate unit tests
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Actionable comments posted: 2
🧹 Nitpick comments (3)
controller/channel.go (3)
236-237: Consider using consistent error message languageThe error messages use Chinese ("解析响应失败") while other parts of the codebase might use English. Consider maintaining consistency across error messages.
- "message": fmt.Sprintf("解析响应失败: %s", err.Error()), + "message": fmt.Sprintf("Failed to parse response: %s", err.Error()),Also applies to: 256-257
291-291: Consider making the Anthropic API version configurableThe API version "2023-06-01" is hardcoded. Consider making this configurable or at least defining it as a constant for easier maintenance.
+const AnthropicAPIVersion = "2023-06-01" + func GetAnthropicResponseBody(method, url, apiKey string) ([]byte, error) { // ... - req.Header.Set("anthropic-version", "2023-06-01") + req.Header.Set("anthropic-version", AnthropicAPIVersion)
279-306: Consider reusing existing GetResponseBody function to reduce code duplicationThe
GetAnthropicResponseBodyfunction duplicates logic from the existingGetResponseBodyfunction incontroller/channel-billing.go. Consider refactoring to reuse the existing function by passing appropriate headers.Instead of creating a new function, you could modify the calling code to use the existing
GetResponseBody:// In FetchUpstreamModels if channel.Type == constant.ChannelTypeAnthropic { headers := http.Header{} headers.Set("x-api-key", key) headers.Set("anthropic-version", "2023-06-01") headers.Set("Content-Type", "application/json") body, err = GetResponseBody("GET", url, channel, headers) }This would eliminate the need for the separate
GetAnthropicResponseBodyfunction and reduce code duplication.
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📒 Files selected for processing (1)
controller/channel.go(6 hunks)
🧰 Additional context used
🧬 Code Graph Analysis (1)
controller/channel.go (3)
constant/channel.go (3)
ChannelTypeAnthropic(18-18)ChannelTypeGemini(28-28)ChannelTypeAli(21-21)controller/channel-billing.go (2)
GetResponseBody(130-154)GetAuthHeader(124-128)common/gin.go (1)
ApiError(94-99)
🔇 Additional comments (2)
controller/channel.go (2)
46-58: LGTM! Well-structured Anthropic model types.The new struct definitions properly represent the Anthropic API response format with appropriate JSON tags and pagination support.
915-1017: LGTM! Consistent implementation of Anthropic support in FetchModels.The modifications properly handle:
- URL construction for different channel types
- Anthropic-specific headers
- Response parsing for both Anthropic and non-Anthropic formats
- Consistent Gemini ID prefix trimming
The implementation aligns well with the FetchUpstreamModels function.
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支持 Anthropic API 拉取模型列表（新结构体和认证头处理）
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