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Dynamic Forums (1, 2, 4, 6)

curl -X POST https://proyecto-ingenieria-software-6ccv.onrender.com/guardar_foro1 \
  -H "Content-Type: application/json" \
  -d '{
    "email": "[email protected]",
    "r1": "The derivative represents instantaneous rate of change",
    "r2": "f'(x) = 2x",
    "r3": "Local maximum at x=3",
    "r4": "Concave up on interval (0, infinity)",
    "r5": "Area under curve equals 12 square units",
    "r6": "Fundamental theorem connects derivatives and integrals"
  }'

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POST /guardar_foro

Save responses for forums 1, 2, 4, or 6. Implementation: main.py:195-230
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foro_id
integer
required
Forum identifier: 1, 2, 4, or 6
​
email
string
required
Student email address (unique identifier)
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r1
string
default:""
Response to question 1
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r2
string
default:""
Response to question 2
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r3
string
default:""
Response to question 3
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r4
string
default:""
Response to question 4
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r5
string
default:""
Response to question 5
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r6
string
default:""
Response to question 6 (forums 1, 2)
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r7
string
default:""
Response to question 7 (forum 4, 6)
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r8
string
default:""
Response to question 8 (forum 6 only)

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Request Body Schema

RespuestasForo Model (main.py:42-51): 
class RespuestasForo(BaseModel):
    email: str
    r1: str = ""
    r2: str = ""
    r3: str = ""
    r4: str = ""
    r5: str = ""
    r6: str = ""
    r7: str = ""
    r8: str = ""
The system dynamically validates field count based on forum configuration. Forum 1 accepts r1-r6, Forum 4 accepts r1-r7, Forum 6 accepts r1-r8.

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Response

​
mensaje
string
Success or error message
​
exito
boolean
Operation success status
Success Response: 
{
  "mensaje": "Guardado",
  "exito": true
}
Duplicate Submission: 
{
  "mensaje": "Ya has participado",
  "exito": true
}
Error Response: 
{
  "mensaje": "Error message details",
  "exito": false
}

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Forum 3 - Table Responses

curl -X POST https://proyecto-ingenieria-software-6ccv.onrender.com/guardar_en_foro_3 \
  -H "Content-Type: application/json" \
  -d '{
    "email": "[email protected]",
    "r1": "Answer to question 1",
    "r2": "Answer to question 2",
    "r3": "Answer to question 3",
    "r4": "Answer to question 4",
    "r5": "Answer to question 5",
    "t6_r1_c1": "f(x)",
    "t6_r1_c2": "x^2",
    "t6_r1_c3": "2x",
    "t6_r2_c1": "g(x)",
    "t6_r2_c2": "sin(x)",
    "t6_r2_c3": "cos(x)",
    "r7": "Answer to question 7",
    "r8": "Answer to question 8"
  }'

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POST /guardar_en_foro_3

Save responses for Forum 3 with complex table structure. Implementation: main.py:277-305
​
email
string
required
Student email address
​
r1
string
default:""
Response to question 1
​
r2
string
default:""
Response to question 2
​
r3
string
default:""
Response to question 3
​
r4
string
default:""
Response to question 4
​
r5
string
default:""
Response to question 5
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t6_r{row}_c{col}
string
default:""
Table cells for question 6 (7 rows × 3 columns)
  • Rows: 1-7
  • Columns: 1-3
  • Example: t6_r1_c1, t6_r3_c2, t6_r7_c3
​
r7
string
default:""
Response to question 7
​
r8
string
default:""
Response to question 8

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Request Body Schema

RespuestaForo_3 Model (main.py:54-64): 
class RespuestaForo_3(BaseModel):
    email: str
    r1: str = ""; r2: str = ""; r3: str = ""; r4: str = ""; r5: str = ""
    t6_r1_c1: str = ""; t6_r1_c2: str = ""; t6_r1_c3: str = ""
    t6_r2_c1: str = ""; t6_r2_c2: str = ""; t6_r2_c3: str = ""
    t6_r3_c1: str = ""; t6_r3_c2: str = ""; t6_r3_c3: str = ""
    t6_r4_c1: str = ""; t6_r4_c2: str = ""; t6_r4_c3: str = ""
    t6_r5_c1: str = ""; t6_r5_c2: str = ""; t6_r5_c3: str = ""
    t6_r6_c1: str = ""; t6_r6_c2: str = ""; t6_r6_c3: str = ""
    t6_r7_c1: str = ""; t6_r7_c2: str = ""; t6_r7_c3: str = ""
    r7: str = ""; r8: str = ""
Question 6 uses a table format with 21 fields (7 rows × 3 columns). All table fields must be included in the request body.

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Response

Same format as dynamic forums: 
{
  "mensaje": "Guardado",
  "exito": true
}

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Forum 5 - Image Uploads

curl -X POST https://proyecto-ingenieria-software-6ccv.onrender.com/guardar_foro5/[email protected] \
  -F "r2=The limit approaches infinity" \
  -F "r3=See attached sketch" \
  -F "r4=Continuous on all real numbers" \
  -F "r5=Differentiable except at x=0" \
  -F "r6=Graph shows vertical asymptote" \
  -F "[email protected]" \
  -F "[email protected]" \
  -F "[email protected]" \
  -F "[email protected]"

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POST /guardar_foro5/

Save Forum 5 responses with image uploads (multipart/form-data). Implementation: main.py:534-574
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email
string
required
Student email address (URL parameter)
​
r2
string
default:""
Response to question 2 (form field)
​
r3
string
default:""
Response to question 3 (form field)
​
r4
string
default:""
Response to question 4 (form field)
​
r5
string
default:""
Response to question 5 (form field)
​
r6
string
default:""
Response to question 6 (form field)
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imagen_pregunta_3
file
Image file for question 3 sketch (binary data)
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imagenes
file[]
Array of 3 image files for table questions (binary data)
  • imagenes[0] → imagen_1
  • imagenes[1] → imagen_2
  • imagenes[2] → imagen_3

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Content Type

Content-Type: multipart/form-data
Unlike other forums, Forum 5 uses FormData with file uploads. Text responses are sent as form fields, and images are uploaded as binary files.

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Image Storage

Images are stored as binary data (BYTEA) in PostgreSQL:
  • imagen_pregunta_3: Single sketch/drawing for question 3
  • imagen_1, imagen_2, imagen_3: Three table images from the imagenes array

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Response

{
  "exito": true
}

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Error Handling

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HTTP Status Codes

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404
Not Found
Forum ID not found in configuration (dynamic forums only)
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500
Internal Server Error
Database connection error

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Database Errors

All submission endpoints use transactions with automatic rollback on failure: 
try:
    cursor.execute(query, valores)
    conexion.commit()
except Exception as e:
    conexion.rollback()
    return {"mensaje": str(e), "exito": False}

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Next Steps

Retrieve Responses

Learn how to fetch and verify forum participation

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