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@nicobytes
nicobytes committed Oct 27, 2024
1 parent 6eb3503 commit 5c57745
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Showing 4 changed files with 161 additions and 5 deletions.
1 change: 1 addition & 0 deletions apps/api/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
"@langchain/langgraph-checkpoint-sqlite": "^0.1.2",
"@langchain/mistralai": "^0.1.1",
"@langchain/openai": "^0.3.11",
"@libsql/client": "^0.14.0",
"hono": "^4.6.7",
"zod": "^3.23.8"
},
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6 changes: 4 additions & 2 deletions apps/api/src/chatbot/graph.ts
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Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
import { END, START, StateGraph } from "@langchain/langgraph";
import { PostgresSaver } from "@langchain/langgraph-checkpoint-postgres";
import { SqliteSaver } from "@langchain/langgraph-checkpoint-sqlite";
import { Client as LibsqlClient, createClient } from "@libsql/client/web";

import { GraphState } from "./graph.state";

Expand All @@ -21,9 +23,9 @@ interface Props {
databaseUrl: string;
}

export const createGraph = (data: Props) => {
console.log("Creating graph with data", data.databaseUrl);
export const createGraph = async (data: Props) => {
const checkpointer = PostgresSaver.fromConnString(data.databaseUrl);
await checkpointer.setup();

const llmGpt4 = models.gpt4(data.openAIKey);
const llmMistral = models.mistral(data.mistralKey);
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2 changes: 1 addition & 1 deletion apps/api/src/chatbot/index.ts
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Expand Up @@ -39,7 +39,7 @@ app.post("/webhook", async (c) => {
headers.append("Authorization", `Bearer ${fbToken}`);
headers.append("Content-Type", "application/json");

const agent = createGraph({ openAIKey, mistralKey, databaseUrl });
const agent = await createGraph({ openAIKey, mistralKey, databaseUrl });
const userMessage = message.text.body;
const threadId = `thread_${message.from}`;
const config = { configurable: { thread_id: threadId } };
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157 changes: 155 additions & 2 deletions apps/api/yarn.lock
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Expand Up @@ -322,13 +322,94 @@
zod "^3.22.4"
zod-to-json-schema "^3.22.3"

"@libsql/client@^0.14.0":
version "0.14.0"
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dependencies:
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"@libsql/hrana-client" "^0.7.0"
js-base64 "^3.7.5"
libsql "^0.4.4"
promise-limit "^2.7.0"

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resolved "https://registry.npmjs.org/@types/node-fetch/-/node-fetch-2.6.11.tgz#9b39b78665dae0e82a08f02f4967d62c66f95d24"
Expand Down Expand Up @@ -368,6 +449,13 @@
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dependencies:
"@types/node" "*"

abort-controller@^3.0.0:
version "3.0.0"
resolved "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz#eaf54d53b62bae4138e809ca225c8439a6efb392"
Expand Down Expand Up @@ -528,6 +616,11 @@ data-uri-to-buffer@^2.0.0:
resolved "https://registry.yarnpkg.com/data-uri-to-buffer/-/data-uri-to-buffer-2.0.2.tgz#d296973d5a4897a5dbe31716d118211921f04770"
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data-uri-to-buffer@^4.0.0:
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date-fns@^4.1.0:
version "4.1.0"
resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-4.1.0.tgz#64b3d83fff5aa80438f5b1a633c2e83b8a1c2d14"
Expand Down Expand Up @@ -567,6 +660,11 @@ delayed-stream@~1.0.0:
resolved "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
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[email protected]:
version "2.0.2"
resolved "https://registry.npmjs.org/detect-libc/-/detect-libc-2.0.2.tgz#8ccf2ba9315350e1241b88d0ac3b0e1fbd99605d"
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detect-libc@^2.0.0:
version "2.0.3"
resolved "https://registry.npmjs.org/detect-libc/-/detect-libc-2.0.3.tgz#f0cd503b40f9939b894697d19ad50895e30cf700"
Expand Down Expand Up @@ -642,6 +740,14 @@ expand-template@^2.0.3:
resolved "https://registry.npmjs.org/expand-template/-/expand-template-2.0.3.tgz#6e14b3fcee0f3a6340ecb57d2e8918692052a47c"
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fetch-blob@^3.1.2, fetch-blob@^3.1.4:
version "3.2.0"
resolved "https://registry.npmjs.org/fetch-blob/-/fetch-blob-3.2.0.tgz#f09b8d4bbd45adc6f0c20b7e787e793e309dcce9"
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dependencies:
node-domexception "^1.0.0"
web-streams-polyfill "^3.0.3"

[email protected]:
version "1.0.0"
resolved "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz#553a7b8446ff6f684359c445f1e37a05dacc33dd"
Expand Down Expand Up @@ -676,6 +782,13 @@ formdata-node@^4.3.2:
node-domexception "1.0.0"
web-streams-polyfill "4.0.0-beta.3"

formdata-polyfill@^4.0.10:
version "4.0.10"
resolved "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz#24807c31c9d402e002ab3d8c720144ceb8848423"
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dependencies:
fetch-blob "^3.1.2"

fs-constants@^1.0.0:
version "1.0.0"
resolved "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz#6be0de9be998ce16af8afc24497b9ee9b7ccd9ad"
Expand Down Expand Up @@ -786,6 +899,11 @@ itty-time@^1.0.6:
resolved "https://registry.yarnpkg.com/itty-time/-/itty-time-1.0.6.tgz#a6eeda619f19d2f4c480ceddd013b93acb05714d"
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js-base64@^3.7.5:
version "3.7.7"
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js-tiktoken@^1.0.12:
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Expand All @@ -805,6 +923,22 @@ langsmith@^0.2.0:
semver "^7.6.3"
uuid "^10.0.0"

libsql@^0.4.4:
version "0.4.6"
resolved "https://registry.npmjs.org/libsql/-/libsql-0.4.6.tgz#367390ad562d1157aa32f5dedededcf9858ac730"
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dependencies:
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detect-libc "2.0.2"
optionalDependencies:
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"@libsql/darwin-x64" "0.4.6"
"@libsql/linux-arm64-gnu" "0.4.6"
"@libsql/linux-arm64-musl" "0.4.6"
"@libsql/linux-x64-gnu" "0.4.6"
"@libsql/linux-x64-musl" "0.4.6"
"@libsql/win32-x64-msvc" "0.4.6"

magic-string@^0.25.3:
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resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.25.9.tgz#de7f9faf91ef8a1c91d02c2e5314c8277dbcdd1c"
Expand Down Expand Up @@ -889,7 +1023,7 @@ node-abi@^3.3.0:
dependencies:
semver "^7.3.5"

[email protected]:
[email protected], node-domexception@^1.0.0:
version "1.0.0"
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Expand All @@ -901,6 +1035,15 @@ node-fetch@^2.6.7:
dependencies:
whatwg-url "^5.0.0"

node-fetch@^3.3.2:
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dependencies:
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fetch-blob "^3.1.4"
formdata-polyfill "^4.0.10"

node-forge@^1:
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resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-1.3.1.tgz#be8da2af243b2417d5f646a770663a92b7e9ded3"
Expand Down Expand Up @@ -1085,6 +1228,11 @@ printable-characters@^1.0.42:
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pump@^3.0.0:
version "3.0.2"
resolved "https://registry.npmjs.org/pump/-/pump-3.0.2.tgz#836f3edd6bc2ee599256c924ffe0d88573ddcbf8"
Expand Down Expand Up @@ -1330,6 +1478,11 @@ [email protected]:
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Expand Down Expand Up @@ -1386,7 +1539,7 @@ wrappy@1:
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ws@^8.17.1:
ws@^8.13.0, ws@^8.17.1:
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Expand Down

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