The workflow JSON
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{
"name": "Kreativ: Quiz Handler",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "ai-tutor-v2-unique-rafael",
"responseMode": "lastNode",
"options": {}
},
"id": "webhook",
"name": "webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
100,
300
]
},
{
"parameters": {
"method": "POST",
"url": "http://kreativ_builderbot:3008/api/query",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ \"query\": \"SELECT s.id as student_id, s.name, s.course_id, s.current_module, m.evaluation_rubric, m.title as module_title FROM students s JOIN modules m ON m.course_id = s.course_id::text AND s.current_module = m.module_number WHERE s.phone = $1 LIMIT 1\", \"values\": [$json.phone] }) }}",
"options": {}
},
"id": "get-context",
"name": "Get Student & Rubric",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [
300,
300
]
},
{
"parameters": {
"method": "POST",
"url": "https://api.deepseek.com/chat/completions",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "Bearer <redacted-credential>"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({\n \"model\": \"deepseek-chat\",\n \"messages\": [\n {\n \"role\": \"system\",\n \"content\": `Voc\u00ea \u00e9 um avaliador pedag\u00f3gico. Avalie a resposta do aluno com base na RUBRICA abaixo.\\n\\nRUBRICA:\\n${$node[\"Get Student & Rubric\"].json.rows[0]?.evaluation_rubric || 'O aluno deve demonstrar conhecimento geral do m\u00f3dulo.'}\\n\\nResponda APENAS em JSON no formato: { \"score\": 0-100, \"feedback\": \"texto curto\", \"passed\": true/false }. Considere 'passed' true se score >= 70.`\n },\n { \"role\": \"user\", \"content\": $node[\"webhook\"].json.body.body }\n ]\n}) }}",
"options": {}
},
"id": "ai-evaluator",
"name": "AI Evaluator",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
500,
300
]
},
{
"parameters": {
"mode": "runOnceForAllItems",
"jsCode": "const content = $node[\"AI Evaluator\"].json.choices[0].message.content;\nconst cleanJson = content.replace(/```json|```/g, '').trim();\nreturn [{ json: JSON.parse(cleanJson) }];"
},
"id": "parser",
"name": "Parse Eval",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
700,
300
]
},
{
"parameters": {
"conditions": {
"boolean": [
{
"value1": "={{ $json.passed }}",
"value2": true
}
]
}
},
"id": "check-passed",
"name": "Passou?",
"type": "n8n-nodes-base.if",
"typeVersion": 1,
"position": [
900,
300
]
},
{
"parameters": {
"method": "POST",
"url": "http://kreativ_builderbot:3008/api/query",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ \"query\": \"INSERT INTO achievements (student_id, course_id, module_number, achievement_type, name, description, token_validation) VALUES ($1, $2, $3, 'medal', $4, $5, $6) ON CONFLICT DO NOTHING\", \"values\": [$node[\"Get Student & Rubric\"].json.rows[0].student_id, $node[\"Get Student & Rubric\"].json.rows[0].course_id, $node[\"Get Student & Rubric\"].json.rows[0].current_module, 'Medalha: ' + $node[\"Get Student & Rubric\"].json.rows[0].module_title, 'Concluiu com sucesso o desafio do m\u00f3dulo.', 'TOKEN-' + $node[\"Get Student & Rubric\"].json.rows[0].student_id.substring(0,8) + '-' + $node[\"Get Student & Rubric\"].json.rows[0].current_module] }) }}",
"options": {}
},
"id": "save-achievement",
"name": "Save Achievement",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [
1100,
200
]
},
{
"parameters": {
"method": "POST",
"url": "http://kreativ_builderbot:3008/api/send",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ \"phone\": $node[\"webhook\"].json.body.phone, \"message\": \"\ud83c\udf96\ufe0f *CONQUISTA DESBLOQUEADA!*\\n\\nParab\u00e9ns! Voc\u00ea passou no desafio do m\u00f3dulo: *\" + ($node[\"Get Student & Rubric\"].json.rows[0]?.module_title || 'M\u00f3dulo Conclu\u00eddo') + \"*\\n\\nSua nota: \" + $node[\"Parse Eval\"].json.score + \"/100\\n\\nSua nova medalha j\u00e1 est\u00e1 dispon\u00edvel no seu portal! Pr\u00f3ximo passo: M\u00f3dulo \" + (($node[\"Get Student & Rubric\"].json.rows[0]?.current_module || 0) + 1) }) }}",
"options": {}
},
"id": "notify-success",
"name": "Notify Success",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [
1300,
200
]
},
{
"parameters": {
"method": "POST",
"url": "http://kreativ_builderbot:3008/api/send",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ \"phone\": $node[\"webhook\"].json.body.phone, \"message\": \"\ud83d\udca1 *Quase l\u00e1!*\\n\\nVoc\u00ea ainda n\u00e3o atingiu a pontua\u00e7\u00e3o m\u00ednima para este m\u00f3dulo (70/100).\\n\\n*Feedback da IA:* \" + $node[\"Parse Eval\"].json.feedback + \"\\n\\nN\u00e3o desanime! Revise o conte\u00fado com o Tutor IA e tente o desafio novamente quando estiver pronto. \ud83d\udcaa\" }) }}",
"options": {}
},
"id": "notify-retry",
"name": "Notify Retry",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [
1100,
400
]
},
{
"parameters": {
"jsCode": "return [{ json: { success: true } }];"
},
"id": "final-response",
"name": "Final Response",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1550,
300
]
}
],
"connections": {
"webhook": {
"main": [
[
{
"node": "get-context",
"type": "main",
"index": 0
}
]
]
},
"get-context": {
"main": [
[
{
"node": "ai-evaluator",
"type": "main",
"index": 0
}
]
]
},
"ai-evaluator": {
"main": [
[
{
"node": "parser",
"type": "main",
"index": 0
}
]
]
},
"parser": {
"main": [
[
{
"node": "check-passed",
"type": "main",
"index": 0
}
]
]
},
"check-passed": {
"main": [
[
{
"node": "save-achievement",
"type": "main",
"index": 0
}
],
[
{
"node": "notify-retry",
"type": "main",
"index": 0
}
]
]
},
"save-achievement": {
"main": [
[
{
"node": "notify-success",
"type": "main",
"index": 0
}
]
]
},
"notify-success": {
"main": [
[
{
"node": "final-response",
"type": "main",
"index": 0
}
]
]
},
"notify-retry": {
"main": [
[
{
"node": "final-response",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"saveManualExecutions": true,
"saveDataErrorExecution": "all",
"saveExecutionProgress": true
}
}
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About this workflow
Kreativ: Quiz Handler. Uses httpRequest. Webhook trigger; 9 nodes.
Source: https://github.com/RAFAELUFT22/kreativ_bot_v2/blob/2e44f13e3eab55e41e825bf59bca063e04a97b1a/n8n-workflows/21-quiz-handler.json — original creator credit. Request a take-down →
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