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}>;\n}\n\n/**\n * Prisma adapter configuration\n */\nexport interface PrismaAdapterConfig {\n /** Models to include (if not specified, all models are included) */\n include?: string[];\n /** Models to exclude */\n exclude?: string[];\n /** Custom descriptions for models */\n descriptions?: Record;\n /** Models to treat as root nodes (entry points) */\n rootNodes?: string[];\n}\n\n/**\n * Prisma Adapter Implementation\n */\nexport class PrismaAdapter implements GQPAdapter {\n name = \"prisma\";\n private client: unknown;\n private config: PrismaAdapterConfig;\n private dmmf: PrismaDMMF | null = null;\n private enumMap: Map = new Map();\n\n constructor(prismaClient: unknown, config: PrismaAdapterConfig = {}) {\n this.client = prismaClient;\n this.config = config;\n }\n\n /**\n * Introspect Prisma schema and return GQP nodes\n */\n async introspect(): Promise {\n this.dmmf = this.getDMMF();\n if (!this.dmmf) {\n throw new Error(\n \"Could not access Prisma DMMF. Make sure you are passing a valid Prisma client.\",\n );\n }\n\n // Build enum map for reference\n for (const en of this.dmmf.datamodel.enums) {\n this.enumMap.set(\n en.name,\n en.values.map((v) => v.name),\n );\n }\n\n const nodes: GQPNode[] = [];\n\n for (const model of this.dmmf.datamodel.models) {\n // Check include/exclude filters\n if (this.config.include && !this.config.include.includes(model.name)) {\n continue;\n }\n if (this.config.exclude && this.config.exclude.includes(model.name)) {\n continue;\n }\n\n const node = this.modelToNode(model);\n nodes.push(node);\n }\n\n return nodes;\n }\n\n /**\n * Execute a query against Prisma\n */\n async execute(\n nodeName: string,\n filters: QueryFilters,\n options: QueryOptions,\n ): Promise {\n const modelName = this.getModelName(nodeName);\n const model = this.getModel(modelName);\n\n if (!model) {\n throw new Error(`Model \"${nodeName}\" not found in Prisma client`);\n }\n\n const prismaQuery: Record = {\n where: this.translateFilters(filters),\n take: Math.min(Math.max(1, options.limit || 10), 100),\n skip: Math.max(0, options.offset || 0),\n };\n\n if (options.orderBy && typeof options.orderBy.field === \"string\") {\n if (/^[a-zA-Z_][a-zA-Z0-9_]*$/.test(options.orderBy.field)) {\n prismaQuery.orderBy = {\n [options.orderBy.field]:\n options.orderBy.direction === \"desc\" ? \"desc\" : \"asc\",\n };\n }\n }\n\n if (options.include && options.include.length > 0) {\n prismaQuery.include = this.buildSafeIncludes(options.include, 3);\n }\n\n return model.findMany(prismaQuery);\n }\n\n /**\n * Build safe includes with depth limiting\n */\n private buildSafeIncludes(\n includes: string[],\n maxDepth: number,\n ): Record {\n const result: Record = {};\n\n for (const inc of includes) {\n if (!/^[a-zA-Z_][a-zA-Z0-9_.]*$/.test(inc)) {\n continue;\n }\n\n const parts = inc.split(\".\");\n if (parts.length > maxDepth) {\n continue;\n }\n\n let current = result;\n for (let i = 0; i < parts.length; i++) {\n const part = parts[i];\n if (i === parts.length - 1) {\n current[part] = true;\n } else {\n if (!current[part] || current[part] === true) {\n current[part] = { include: {} };\n }\n current = (current[part] as { include: Record })\n .include;\n }\n }\n }\n\n return result;\n }\n\n /**\n * Get total count for a query\n */\n async count(nodeName: string, filters: QueryFilters): Promise {\n const modelName = this.getModelName(nodeName);\n const model = this.getModel(modelName);\n\n if (!model) {\n throw new Error(`Model \"${nodeName}\" not found in Prisma client`);\n }\n\n return model.count({\n where: this.translateFilters(filters),\n });\n }\n\n // ============================================================================\n // Private Methods\n // ============================================================================\n\n /**\n * Get Prisma DMMF (Data Model Meta Format)\n */\n private getDMMF(): PrismaDMMF | null {\n const client = this.client as Record;\n\n // Try different ways to access DMMF\n if (client._dmmf) {\n return client._dmmf as PrismaDMMF;\n }\n if (client._baseDmmf) {\n return client._baseDmmf as PrismaDMMF;\n }\n // Prisma v5+\n if (\n client._runtimeDataModel &&\n (client._runtimeDataModel as Record).models\n ) {\n return {\n datamodel: client._runtimeDataModel as PrismaDMMF[\"datamodel\"],\n };\n }\n\n return null;\n }\n\n /**\n * Get Prisma model accessor\n */\n private getModel(modelName: string): {\n findMany: (args: unknown) => Promise;\n count: (args: unknown) => Promise;\n } | null {\n const client = this.client as Record;\n const lowerName = modelName.charAt(0).toLowerCase() + modelName.slice(1);\n\n const model = client[lowerName] as {\n findMany: (args: unknown) => Promise;\n count: (args: unknown) => Promise;\n };\n\n return model || null;\n }\n\n /**\n * Convert model name to Prisma accessor name\n */\n private getModelName(nodeName: string): string {\n // GQP uses PascalCase, Prisma uses camelCase for accessors\n return nodeName;\n }\n\n /**\n * Convert Prisma model to GQP node\n */\n private modelToNode(model: PrismaModel): GQPNode {\n const fields: GQPField[] = [];\n const edges: GQPEdge[] = [];\n const capabilities: GQPCapability[] = [];\n\n for (const field of model.fields) {\n if (field.kind === \"object\") {\n // This is a relation - create an edge\n edges.push(this.fieldToEdge(field));\n } else {\n // This is a regular field\n const gqpField = this.fieldToGQPField(field);\n fields.push(gqpField);\n\n // Infer capabilities from field type\n this.addCapabilitiesForField(gqpField, capabilities);\n }\n }\n\n return {\n name: model.name,\n description:\n this.config.descriptions?.[model.name] || model.documentation,\n fields,\n edges,\n capabilities: [...new Set(capabilities)],\n source: this.name,\n };\n }\n\n /**\n * Convert Prisma field to GQP field\n */\n private fieldToGQPField(field: PrismaField): GQPField {\n const directives: GQPDirective[] = [];\n\n // Auto-apply @search directive for text fields\n if (field.type === \"String\" && !field.isId) {\n directives.push({\n name: \"@search\",\n args: { type: \"fuzzy\" },\n });\n }\n\n // Auto-apply @reasoning directive for date fields\n if (field.type === \"DateTime\") {\n directives.push({\n name: \"@reasoning\",\n args: { type: \"temporal\" },\n });\n }\n\n return {\n name: field.name,\n type: this.mapPrismaType(field.type, field.kind),\n nullable: !field.isRequired,\n isList: field.isList,\n description: field.documentation,\n directives,\n enumValues:\n field.kind === \"enum\" ? this.enumMap.get(field.type) : undefined,\n };\n }\n\n /**\n * Convert Prisma relation to GQP edge\n */\n private fieldToEdge(field: PrismaField): GQPEdge {\n let relation: RelationType = \"hasMany\";\n\n if (field.isList) {\n relation = \"hasMany\";\n } else if (\n field.relationFromFields &&\n field.relationFromFields.length > 0\n ) {\n relation = \"belongsTo\";\n } else {\n relation = \"hasOne\";\n }\n\n return {\n name: field.name,\n to: field.type,\n relation,\n foreignKey: field.relationFromFields?.[0],\n description: field.documentation,\n };\n }\n\n /**\n * Map Prisma type to GQP FieldType\n */\n private mapPrismaType(\n prismaType: string,\n kind: PrismaField[\"kind\"],\n ): FieldType {\n if (kind === \"enum\") {\n return \"Enum\";\n }\n\n const typeMap: Record = {\n String: \"String\",\n Int: \"Int\",\n Float: \"Float\",\n Boolean: \"Boolean\",\n DateTime: \"DateTime\",\n Json: \"Json\",\n BigInt: \"Int\",\n Decimal: \"Float\",\n Bytes: \"String\",\n };\n\n return typeMap[prismaType] || \"String\";\n }\n\n /**\n * Add capabilities based on field type\n */\n private addCapabilitiesForField(\n field: GQPField,\n capabilities: GQPCapability[],\n ): void {\n if (field.type === \"String\" && !field.name.endsWith(\"Id\")) {\n capabilities.push(\"fuzzy_search\");\n capabilities.push(\"full_text\");\n }\n\n if (field.type === \"DateTime\") {\n capabilities.push(\"temporal_filter\");\n }\n\n if (field.type === \"Enum\") {\n capabilities.push(\"enum_filter\");\n }\n\n if (field.type === \"Json\") {\n capabilities.push(\"json_query\");\n }\n }\n\n private static SAFE_OPERATORS = new Set([\n \"equals\",\n \"not\",\n \"in\",\n \"notIn\",\n \"lt\",\n \"lte\",\n \"gt\",\n \"gte\",\n \"contains\",\n \"startsWith\",\n \"endsWith\",\n \"mode\",\n \"search\",\n \"AND\",\n \"OR\",\n \"NOT\",\n ]);\n\n /**\n * Translate GQP filters to Prisma where clause\n */\n private translateFilters(filters: QueryFilters): Record {\n const where: Record = {};\n\n for (const [key, value] of Object.entries(filters)) {\n if (value === undefined || value === null) {\n continue;\n }\n\n if (\n !/^[a-zA-Z_][a-zA-Z0-9_]*$/.test(key) &&\n ![\"AND\", \"OR\", \"NOT\"].includes(key)\n ) {\n continue;\n }\n\n if ([\"AND\", \"OR\"].includes(key) && Array.isArray(value)) {\n where[key] = value.map((v) =>\n typeof v === \"object\" && v !== null\n ? this.translateFilters(v as QueryFilters)\n : {},\n );\n continue;\n }\n\n if (key === \"NOT\" && typeof value === \"object\" && value !== null) {\n where[key] = this.translateFilters(value as QueryFilters);\n continue;\n }\n\n if (\n typeof value === \"object\" &&\n value !== null &&\n !Array.isArray(value)\n ) {\n const valueObj = value as Record;\n const safeValue: Record = {};\n\n for (const [op, opValue] of Object.entries(valueObj)) {\n if (!PrismaAdapter.SAFE_OPERATORS.has(op)) {\n continue;\n }\n\n if (op === \"in\" || op === \"notIn\") {\n if (Array.isArray(opValue) && opValue.length <= 100) {\n safeValue[op] = opValue;\n }\n } else if (\n op === \"contains\" ||\n op === \"startsWith\" ||\n op === \"endsWith\"\n ) {\n if (typeof opValue === \"string\") {\n safeValue[op] = opValue;\n safeValue[\"mode\"] = \"insensitive\";\n }\n } else {\n safeValue[op] = opValue;\n }\n }\n\n if (Object.keys(safeValue).length > 0) {\n where[key] = safeValue;\n }\n continue;\n }\n\n where[key] = value;\n }\n\n return where;\n }\n}\n\n/**\n * Factory function to create Prisma adapter\n *\n * @example\n * ```typescript\n * import { GQP } from '@mzhub/gqp';\n * import { fromPrisma } from '@mzhub/gqp/prisma';\n * import { prisma } from './db';\n *\n * const graph = new GQP({\n * sources: {\n * database: fromPrisma(prisma, {\n * include: ['User', 'Order', 'Product'],\n * exclude: ['_migrations']\n * })\n * }\n * });\n * ```\n */\nexport function fromPrisma(\n prismaClient: unknown,\n config: PrismaAdapterConfig = {},\n): GQPAdapter {\n return new PrismaAdapter(prismaClient, config);\n}\n"]}