ef4ed9fd57
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- Added BudgetArchiveJob for monthly budget archiving. - Created BudgetArchive entity and BudgetArchiveRepository for managing archived budgets. - Introduced JobController for handling job execution, pausing, and resuming. - Developed ScheduledTasksView for displaying and managing scheduled tasks in the frontend. - Updated PeriodicBillJob to improve scope handling. - Enhanced OpenAiService with increased HTTP timeout. - Added archiveBudgets API endpoint for archiving budgets by year and month. - Refactored BudgetController to utilize new repository patterns and improved error handling. - Introduced rich-content styles for better rendering of HTML content in Vue components. - Updated various Vue components to support rich HTML content display.
278 lines
9.5 KiB
C#
278 lines
9.5 KiB
C#
using System.Net.Http.Headers;
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namespace Service;
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public interface IOpenAiService
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{
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Task<string?> ChatAsync(string systemPrompt, string userPrompt);
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Task<string?> ChatAsync(string prompt);
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IAsyncEnumerable<string> ChatStreamAsync(string systemPrompt, string userPrompt);
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IAsyncEnumerable<string> ChatStreamAsync(string prompt);
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}
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public class OpenAiService(
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IOptions<AISettings> aiSettings,
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ILogger<OpenAiService> logger
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) : IOpenAiService
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{
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public async Task<string?> ChatAsync(string systemPrompt, string userPrompt)
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{
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var cfg = aiSettings.Value;
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if (string.IsNullOrWhiteSpace(cfg.Endpoint) ||
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string.IsNullOrWhiteSpace(cfg.Key) ||
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string.IsNullOrWhiteSpace(cfg.Model))
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{
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logger.LogWarning("未配置 OpenAI/DeepSeek 接口，无法调用 AI");
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return null;
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}
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using var http = new HttpClient();
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http.Timeout = TimeSpan.FromSeconds(15);
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http.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", cfg.Key);
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var payload = new
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{
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model = cfg.Model,
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temperature = 0,
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messages = new object[]
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{
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new { role = "system", content = systemPrompt },
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new { role = "user", content = userPrompt }
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}
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};
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var url = cfg.Endpoint.TrimEnd('/') + "/chat/completions";
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var json = JsonSerializer.Serialize(payload);
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using var content = new StringContent(json, Encoding.UTF8, "application/json");
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try
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{
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using var resp = await http.PostAsync(url, content);
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if (!resp.IsSuccessStatusCode)
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{
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var err = await resp.Content.ReadAsStringAsync();
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throw new InvalidOperationException($"AI接口调用失败: {(int)resp.StatusCode} {resp.ReasonPhrase}, {err}");
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}
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var respText = await resp.Content.ReadAsStringAsync();
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using var doc = JsonDocument.Parse(respText);
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var root = doc.RootElement;
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var contentText = root.GetProperty("choices")[0]
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.GetProperty("message")
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.GetProperty("content")
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.GetString();
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return contentText;
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "AI 调用失败");
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throw;
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}
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}
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public async Task<string?> ChatAsync(string prompt)
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{
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var cfg = aiSettings.Value;
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if (string.IsNullOrWhiteSpace(cfg.Endpoint) ||
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string.IsNullOrWhiteSpace(cfg.Key) ||
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string.IsNullOrWhiteSpace(cfg.Model))
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{
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logger.LogWarning("未配置 OpenAI/DeepSeek 接口，无法调用 AI");
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return null;
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}
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using var http = new HttpClient();
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http.Timeout = TimeSpan.FromSeconds(60 * 5);
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http.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", cfg.Key);
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var payload = new
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{
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model = cfg.Model,
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temperature = 0,
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messages = new object[]
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{
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new { role = "user", content = prompt }
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}
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};
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var url = cfg.Endpoint.TrimEnd('/') + "/chat/completions";
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var json = JsonSerializer.Serialize(payload);
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using var content = new StringContent(json, Encoding.UTF8, "application/json");
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try
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{
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using var resp = await http.PostAsync(url, content);
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if (!resp.IsSuccessStatusCode)
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{
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var err = await resp.Content.ReadAsStringAsync();
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throw new InvalidOperationException($"AI接口调用失败: {(int)resp.StatusCode} {resp.ReasonPhrase}, {err}");
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}
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var respText = await resp.Content.ReadAsStringAsync();
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using var doc = JsonDocument.Parse(respText);
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var root = doc.RootElement;
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var contentText = root.GetProperty("choices")[0]
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.GetProperty("message")
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.GetProperty("content")
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.GetString();
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return contentText;
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "AI 调用失败");
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throw;
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}
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}
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public async IAsyncEnumerable<string> ChatStreamAsync(string prompt)
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{
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var cfg = aiSettings.Value;
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if (string.IsNullOrWhiteSpace(cfg.Endpoint) ||
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string.IsNullOrWhiteSpace(cfg.Key) ||
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string.IsNullOrWhiteSpace(cfg.Model))
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{
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logger.LogWarning("未配置 OpenAI/DeepSeek 接口，无法调用 AI");
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yield break;
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}
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using var http = new HttpClient();
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http.Timeout = TimeSpan.FromMinutes(5);
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http.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", cfg.Key);
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var payload = new
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{
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model = cfg.Model,
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temperature = 0,
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stream = true,
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messages = new object[]
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{
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new { role = "user", content = prompt }
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}
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};
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var url = cfg.Endpoint.TrimEnd('/') + "/chat/completions";
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var json = JsonSerializer.Serialize(payload);
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using var content = new StringContent(json, Encoding.UTF8, "application/json");
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using var request = new HttpRequestMessage(HttpMethod.Post, url)
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{
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Content = content
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};
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using var resp = await http.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);
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if (!resp.IsSuccessStatusCode)
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{
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var err = await resp.Content.ReadAsStringAsync();
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throw new InvalidOperationException($"AI接口调用失败: {(int)resp.StatusCode} {resp.ReasonPhrase}, {err}");
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}
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using var stream = await resp.Content.ReadAsStreamAsync();
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using var reader = new StreamReader(stream);
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string? line;
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while ((line = await reader.ReadLineAsync()) != null)
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{
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if (string.IsNullOrWhiteSpace(line) || !line.StartsWith("data: "))
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continue;
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var data = line.Substring(6).Trim();
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if (data == "[DONE]")
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break;
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using var doc = JsonDocument.Parse(data);
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var root = doc.RootElement;
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if (root.TryGetProperty("choices", out var choices) && choices.GetArrayLength() > 0)
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{
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var delta = choices[0].GetProperty("delta");
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if (delta.TryGetProperty("content", out var contentProp))
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{
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var contentText = contentProp.GetString();
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if (!string.IsNullOrEmpty(contentText))
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{
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yield return contentText;
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}
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}
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}
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}
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}
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public async IAsyncEnumerable<string> ChatStreamAsync(string systemPrompt, string userPrompt)
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{
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var cfg = aiSettings.Value;
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if (string.IsNullOrWhiteSpace(cfg.Endpoint) ||
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string.IsNullOrWhiteSpace(cfg.Key) ||
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string.IsNullOrWhiteSpace(cfg.Model))
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{
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logger.LogWarning("未配置 OpenAI/DeepSeek 接口，无法调用 AI");
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yield break;
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}
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using var http = new HttpClient();
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http.Timeout = TimeSpan.FromMinutes(5);
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http.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", cfg.Key);
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var payload = new
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{
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model = cfg.Model,
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temperature = 0,
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stream = true,
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messages = new object[]
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{
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new { role = "system", content = systemPrompt },
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new { role = "user", content = userPrompt }
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}
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};
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var url = cfg.Endpoint.TrimEnd('/') + "/chat/completions";
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var json = JsonSerializer.Serialize(payload);
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using var content = new StringContent(json, Encoding.UTF8, "application/json");
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// 使用 SendAsync 来支持 HttpCompletionOption
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using var request = new HttpRequestMessage(HttpMethod.Post, url)
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{
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Content = content
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};
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using var resp = await http.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);
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if (!resp.IsSuccessStatusCode)
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{
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var err = await resp.Content.ReadAsStringAsync();
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throw new InvalidOperationException($"AI接口调用失败: {(int)resp.StatusCode} {resp.ReasonPhrase}, {err}");
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}
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using var stream = await resp.Content.ReadAsStreamAsync();
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using var reader = new StreamReader(stream);
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string? line;
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while ((line = await reader.ReadLineAsync()) != null)
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{
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if (string.IsNullOrWhiteSpace(line) || !line.StartsWith("data: "))
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continue;
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var data = line.Substring(6).Trim();
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if (data == "[DONE]")
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break;
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// 解析JSON时不使用try-catch，因为在async iterator中不能使用
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using var doc = JsonDocument.Parse(data);
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var root = doc.RootElement;
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if (root.TryGetProperty("choices", out var choices) && choices.GetArrayLength() > 0)
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{
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var delta = choices[0].GetProperty("delta");
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if (delta.TryGetProperty("content", out var contentProp))
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{
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var contentText = contentProp.GetString();
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if (!string.IsNullOrEmpty(contentText))
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{
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yield return contentText;
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}
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}
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}
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}
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}
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}
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