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refactor: Introduce pre-consume quota and unify relay handlers

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This commit introduces a major architectural refactoring to improve quota management, centralize logging, and streamline the relay handling logic.

Key changes:
- **Pre-consume Quota:** Implements a new mechanism to check and reserve user quota *before* making the request to the upstream provider. This ensures more accurate quota deduction and prevents users from exceeding their limits due to concurrent requests.

- **Unified Relay Handlers:** Refactors the relay logic to use generic handlers (e.g., `ChatHandler`, `ImageHandler`) instead of provider-specific implementations. This significantly reduces code duplication and simplifies adding new channels.

- **Centralized Logger:** A new dedicated `logger` package is introduced, and all system logging calls are migrated to use it, moving this responsibility out of the `common` package.

- **Code Reorganization:** DTOs are generalized (e.g., `dalle.go` -> `openai_image.go`) and utility code is moved to more appropriate packages (e.g., `common/http.go` -> `service/http.go`) for better code structure.
This commit is contained in:
CaIon
2025-08-14 20:05:06 +08:00
parent 17bab355e4
commit e2037ad756
113 changed files with 3095 additions and 2518 deletions
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13
types/error.go
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@@ -39,12 +39,13 @@ const (
ErrorCodeSensitiveWordsDetected ErrorCode = "sensitive_words_detected"
// new api error
ErrorCodeCountTokenFailed ErrorCode = "count_token_failed"
ErrorCodeModelPriceError ErrorCode = "model_price_error"
ErrorCodeInvalidApiType ErrorCode = "invalid_api_type"
ErrorCodeJsonMarshalFailed ErrorCode = "json_marshal_failed"
ErrorCodeDoRequestFailed ErrorCode = "do_request_failed"
ErrorCodeGetChannelFailed ErrorCode = "get_channel_failed"
ErrorCodeCountTokenFailed ErrorCode = "count_token_failed"
ErrorCodeModelPriceError ErrorCode = "model_price_error"
ErrorCodeInvalidApiType ErrorCode = "invalid_api_type"
ErrorCodeJsonMarshalFailed ErrorCode = "json_marshal_failed"
ErrorCodeDoRequestFailed ErrorCode = "do_request_failed"
ErrorCodeGetChannelFailed ErrorCode = "get_channel_failed"
ErrorCodeGenRelayInfoFailed ErrorCode = "gen_relay_info_failed"
// channel error
ErrorCodeChannelNoAvailableKey ErrorCode = "channel:no_available_key"