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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 | 10x 10x 10x 10x 10x 10x 10x 45x 45x 45x 45x 45x 45x 10x 10x 55x 55x 36x 2x 34x 34x 2x 32x 32x 31x 31x 31x 31x 31x 2x 2x 2x 29x 29x 26x 26x 26x 26x 28x 28x 135x 108x 6x 6x 5x 3x 2x 4x 3x 1x 4x 3x 1x 5x 3x 2x 4x 3x 1x 7x 1x 6x 2x 1x 1x 2x 1x 1x 2x 1x 1x 44x 44x 44x 44x 44x 44x | import { GraphQLClient } from "../graphql/client";
import { GitLabVersionDetector, GitLabInstanceInfo } from "./GitLabVersionDetector";
import { SchemaIntrospector, SchemaInfo } from "./SchemaIntrospector";
import { GITLAB_BASE_URL, GITLAB_TOKEN } from "../config";
import { logger } from "../logger";
interface CacheEntry {
schemaInfo: SchemaInfo;
instanceInfo: GitLabInstanceInfo;
timestamp: number;
}
export class ConnectionManager {
private static instance: ConnectionManager | null = null;
private client: GraphQLClient | null = null;
private versionDetector: GitLabVersionDetector | null = null;
private schemaIntrospector: SchemaIntrospector | null = null;
private instanceInfo: GitLabInstanceInfo | null = null;
private schemaInfo: SchemaInfo | null = null;
private isInitialized: boolean = false;
private static introspectionCache = new Map<string, CacheEntry>();
private static readonly CACHE_TTL = 10 * 60 * 1000; // 10 minutes in milliseconds
private constructor() {}
public static getInstance(): ConnectionManager {
ConnectionManager.instance ??= new ConnectionManager();
return ConnectionManager.instance;
}
public async initialize(): Promise<void> {
if (this.isInitialized) {
return;
}
try {
if (!GITLAB_BASE_URL || !GITLAB_TOKEN) {
throw new Error("GitLab base URL and token are required");
}
// Construct GraphQL endpoint from base URL
const endpoint = `${GITLAB_BASE_URL}/api/graphql`;
this.client = new GraphQLClient(endpoint, {
headers: {
Authorization: `Bearer ${GITLAB_TOKEN}`,
},
});
this.versionDetector = new GitLabVersionDetector(this.client);
this.schemaIntrospector = new SchemaIntrospector(this.client);
// Check cache first
const cached = ConnectionManager.introspectionCache.get(endpoint);
const now = Date.now();
if (cached && now - cached.timestamp < ConnectionManager.CACHE_TTL) {
logger.info("Using cached GraphQL introspection data");
this.instanceInfo = cached.instanceInfo;
this.schemaInfo = cached.schemaInfo;
} else {
logger.debug("Introspecting GitLab GraphQL schema...");
// Detect instance info and introspect schema in parallel
const [instanceInfo, schemaInfo] = await Promise.all([
this.versionDetector.detectInstance(),
this.schemaIntrospector.introspectSchema(),
]);
this.instanceInfo = instanceInfo;
this.schemaInfo = schemaInfo;
// Cache the results
ConnectionManager.introspectionCache.set(endpoint, {
instanceInfo,
schemaInfo,
timestamp: now,
});
logger.info("GraphQL schema introspection completed");
}
this.isInitialized = true;
logger.info(
{
version: this.instanceInfo?.version,
tier: this.instanceInfo?.tier,
features: this.instanceInfo
? Object.entries(this.instanceInfo.features)
.filter(([, enabled]) => enabled)
.map(([feature]) => feature)
: [],
widgetTypes: this.schemaInfo?.workItemWidgetTypes.length || 0,
schemaTypes: this.schemaInfo?.typeDefinitions.size || 0,
},
"GitLab instance and schema detected"
);
} catch (error) {
logger.error({ err: error as Error }, "Failed to initialize connection");
throw error;
}
}
public getClient(): GraphQLClient {
if (!this.client) {
throw new Error("Connection not initialized. Call initialize() first.");
}
return this.client;
}
public getVersionDetector(): GitLabVersionDetector {
if (!this.versionDetector) {
throw new Error("Connection not initialized. Call initialize() first.");
}
return this.versionDetector;
}
public getSchemaIntrospector(): SchemaIntrospector {
if (!this.schemaIntrospector) {
throw new Error("Connection not initialized. Call initialize() first.");
}
return this.schemaIntrospector;
}
public getInstanceInfo(): GitLabInstanceInfo {
if (!this.instanceInfo) {
throw new Error("Connection not initialized. Call initialize() first.");
}
return this.instanceInfo;
}
public getSchemaInfo(): SchemaInfo {
if (!this.schemaInfo) {
throw new Error("Connection not initialized. Call initialize() first.");
}
return this.schemaInfo;
}
public isFeatureAvailable(feature: keyof GitLabInstanceInfo["features"]): boolean {
if (!this.instanceInfo) {
return false;
}
return this.instanceInfo.features[feature];
}
public getTier(): string {
if (!this.instanceInfo) {
return "unknown";
}
return this.instanceInfo.tier;
}
public getVersion(): string {
if (!this.instanceInfo) {
return "unknown";
}
return this.instanceInfo.version;
}
public isWidgetAvailable(widgetType: string): boolean {
if (!this.schemaIntrospector) {
return false;
}
return this.schemaIntrospector.isWidgetTypeAvailable(widgetType);
}
public reset(): void {
this.client = null;
this.versionDetector = null;
this.schemaIntrospector = null;
this.instanceInfo = null;
this.schemaInfo = null;
this.isInitialized = false;
}
}
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