Spaces:
Configuration error
Configuration error
File size: 5,675 Bytes
bcce530 | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | import { NextRequest, NextResponse } from "next/server"
import prisma from "@/lib/prisma"
import { stackServerApp } from "@/lib/stack-server"
import { generateText } from "ai"
import { openai } from "@ai-sdk/openai"
// GET - Get memory for a character
export async function GET(request: NextRequest) {
try {
const user = await stackServerApp.getUser()
if (!user) {
return NextResponse.json(
{ error: "Authentication required" },
{ status: 401 }
)
}
const { searchParams } = new URL(request.url)
const characterId = searchParams.get("characterId")
if (!characterId) {
return NextResponse.json(
{ error: "characterId is required" },
{ status: 400 }
)
}
const memory = await prisma.characterMemory.findUnique({
where: {
characterId_userId: {
characterId,
userId: user.id,
},
},
})
return NextResponse.json({ memory })
} catch (error) {
console.error("Error fetching character memory:", error)
return NextResponse.json(
{ error: "Failed to fetch memory" },
{ status: 500 }
)
}
}
// POST - Update memory with new messages
export async function POST(request: NextRequest) {
try {
const user = await stackServerApp.getUser()
if (!user) {
return NextResponse.json(
{ error: "Authentication required" },
{ status: 401 }
)
}
const { characterId, messages, newMessage, characterResponse } = await request.json()
if (!characterId) {
return NextResponse.json(
{ error: "characterId is required" },
{ status: 400 }
)
}
// Get or create memory
let memory = await prisma.characterMemory.findUnique({
where: {
characterId_userId: {
characterId,
userId: user.id,
},
},
})
if (!memory) {
memory = await prisma.characterMemory.create({
data: {
characterId,
userId: user.id,
recentMessages: [],
userFacts: [],
messageCount: 0,
},
})
}
// Update recent messages
const recentMessages = memory.recentMessages as Array<{ role: string; content: string }>
const updatedMessages = [
...recentMessages,
{ role: "user", content: newMessage },
{ role: "assistant", content: characterResponse },
].slice(-20) // Keep last 20 messages
// If we have enough messages, summarize the context
let contextSummary = memory.contextSummary
if (updatedMessages.length >= 10 && (!contextSummary || memory.messageCount % 10 === 0)) {
try {
const { text } = await generateText({
model: openai("gpt-4o-mini"),
prompt: `Summarize the key points from this conversation for context retention. Focus on:
1. User preferences and interests
2. Important facts mentioned
3. Ongoing topics or tasks
Conversation:
${updatedMessages.map(m => `${m.role}: ${m.content}`).join("\n")}
Provide a brief summary (2-3 sentences):`,
})
contextSummary = text
} catch (error) {
console.error("Failed to summarize context:", error)
}
}
// Extract user facts (simple keyword extraction)
const userFacts = memory.userFacts as string[]
// This could be enhanced with AI extraction
// Update memory
const updatedMemory = await prisma.characterMemory.update({
where: {
characterId_userId: {
characterId,
userId: user.id,
},
},
data: {
recentMessages: updatedMessages,
contextSummary,
userFacts,
messageCount: { increment: 2 },
},
})
return NextResponse.json({ memory: updatedMemory })
} catch (error) {
console.error("Error updating character memory:", error)
return NextResponse.json(
{ error: "Failed to update memory" },
{ status: 500 }
)
}
}
// DELETE - Clear memory for a character
export async function DELETE(request: NextRequest) {
try {
const user = await stackServerApp.getUser()
if (!user) {
return NextResponse.json(
{ error: "Authentication required" },
{ status: 401 }
)
}
const { searchParams } = new URL(request.url)
const characterId = searchParams.get("characterId")
if (!characterId) {
return NextResponse.json(
{ error: "characterId is required" },
{ status: 400 }
)
}
await prisma.characterMemory.deleteMany({
where: {
characterId,
userId: user.id,
},
})
return NextResponse.json({ success: true })
} catch (error) {
console.error("Error clearing character memory:", error)
return NextResponse.json(
{ error: "Failed to clear memory" },
{ status: 500 }
)
}
}
|