AdamThomasandClaude Opus 5.5
1a23881e81
Le texte des champs passe à la ligne pour tenir dans la largeur de son cadre (wrap_text) au lieu de déborder. Les créneaux affectés s'affichent en tableau : le jour de festival en en-tête, puis une colonne horaire et une colonne poste (plus de référent sur le badge) ; même tableau dans l'aperçu de l'éditeur. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
405 lines
15 KiB
Python
405 lines
15 KiB
Python
"""Planches de badges bénévoles : configuration du recto/verso (COORDINATION)
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et génération du PDF.
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Le verso est une image fixe, la même pour tous les bénévoles. Le recto
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combine une image de fond et des champs positionnés (nom, poste(s) affectés,
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catégorie, rôle, photo, texte libre de la fiche) — voir `app/badges/pdf.py`
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pour la composition du PDF et `app/models/domain.py` (`BadgeTemplate`,
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`BadgeField`) pour le modèle.
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"""
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import datetime as dt
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import io
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import uuid
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from collections import defaultdict
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from fastapi import APIRouter, Depends, File, HTTPException, Response, UploadFile
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from PIL import Image, UnidentifiedImageError
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from sqlalchemy import delete
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from sqlmodel import Session, select
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from app.api.deps import get_edition
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from app.api.schemas import (
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BadgeFieldRead,
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BadgeFieldsSet,
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BadgeGenerateRequest,
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BadgeSizeUpdate,
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BadgeTemplateRead,
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)
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from app.auth.deps import require_coordinator
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from app.badges.pdf import (
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DEFAULT_BADGE_HEIGHT_MM,
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DEFAULT_BADGE_WIDTH_MM,
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BadgeFieldSpec,
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BadgeSpec,
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BadgeTable,
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BadgeTableSection,
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generate_badge_sheets_pdf,
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image_size_mm,
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)
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from app.db import get_session
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from app.i18n import t
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from app.models import (
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Account,
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Assignment,
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BadgeField,
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BadgeFieldType,
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BadgeTemplate,
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DayPart,
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Edition,
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Position,
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Role,
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Shift,
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Volunteer,
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)
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from app.validation.engine import day_boundary, festival_day
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router = APIRouter(prefix="/editions/{edition_id}/badges", tags=["badges"])
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_MAX_IMAGE_BYTES = 8 * 1024 * 1024
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_ALLOWED_CONTENT_TYPES = {"image/png", "image/jpeg"}
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# --------------------------------------------------------------------------- #
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# Configuration (recto/verso, champs) #
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# --------------------------------------------------------------------------- #
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def _get_or_create_template(session: Session, edition_id: uuid.UUID) -> BadgeTemplate:
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template = session.exec(
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select(BadgeTemplate).where(BadgeTemplate.edition_id == edition_id)
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).first()
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if template is None:
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template = BadgeTemplate(edition_id=edition_id)
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session.add(template)
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session.commit()
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session.refresh(template)
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return template
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def _fields(session: Session, edition_id: uuid.UUID) -> list[BadgeField]:
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return list(
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session.exec(
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select(BadgeField)
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.where(BadgeField.edition_id == edition_id)
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.order_by(BadgeField.field_type)
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)
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)
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def _template_read(template: BadgeTemplate, fields: list[BadgeField]) -> BadgeTemplateRead:
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return BadgeTemplateRead(
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edition_id=template.edition_id,
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has_front_image=template.front_image is not None,
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has_back_image=template.back_image is not None,
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badge_width_mm=template.front_image_width_mm or DEFAULT_BADGE_WIDTH_MM,
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badge_height_mm=template.front_image_height_mm or DEFAULT_BADGE_HEIGHT_MM,
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fields=fields,
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)
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@router.get("/template", response_model=BadgeTemplateRead)
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def get_template(
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edition: Edition = Depends(get_edition),
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_guard: Account = Depends(require_coordinator),
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session: Session = Depends(get_session),
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) -> BadgeTemplateRead:
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template = _get_or_create_template(session, edition.id)
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return _template_read(template, _fields(session, edition.id))
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async def _read_image(file: UploadFile) -> tuple[bytes, str]:
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content_type = file.content_type or ""
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if content_type not in _ALLOWED_CONTENT_TYPES:
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raise HTTPException(
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status_code=422, detail={"code": "badge.image_type_not_supported"}
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)
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content = await file.read()
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if not content:
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raise HTTPException(status_code=400, detail={"code": "badge.empty_image"})
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if len(content) > _MAX_IMAGE_BYTES:
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raise HTTPException(status_code=413, detail={"code": "badge.image_too_large"})
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return content, content_type
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def _pixel_size(content: bytes) -> tuple[int, int]:
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try:
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with Image.open(io.BytesIO(content)) as img:
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return img.size
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except UnidentifiedImageError as exc:
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raise HTTPException(
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status_code=422, detail={"code": "badge.image_unreadable"}
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) from exc
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@router.put("/template/front-image", response_model=BadgeTemplateRead)
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async def set_front_image(
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file: UploadFile = File(...),
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edition: Edition = Depends(get_edition),
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_guard: Account = Depends(require_coordinator),
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session: Session = Depends(get_session),
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) -> BadgeTemplateRead:
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"""Le format du badge (`front_image_width_mm`/`height_mm`) est dérivé de
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cette image (voir `app/badges/pdf.py:image_size_mm`) : le badge prend
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désormais la forme de l'image importée plutôt qu'un format fixe imposé."""
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template = _get_or_create_template(session, edition.id)
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content, content_type = await _read_image(file)
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width_px, height_px = _pixel_size(content)
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width_mm, height_mm = image_size_mm(width_px, height_px)
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template.front_image = content
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template.front_image_content_type = content_type
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template.front_image_width_mm = width_mm
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template.front_image_height_mm = height_mm
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session.add(template)
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session.commit()
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return _template_read(template, _fields(session, edition.id))
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@router.put("/template/back-image", response_model=BadgeTemplateRead)
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async def set_back_image(
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file: UploadFile = File(...),
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edition: Edition = Depends(get_edition),
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_guard: Account = Depends(require_coordinator),
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session: Session = Depends(get_session),
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) -> BadgeTemplateRead:
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template = _get_or_create_template(session, edition.id)
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content, content_type = await _read_image(file)
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template.back_image = content
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template.back_image_content_type = content_type
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session.add(template)
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session.commit()
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return _template_read(template, _fields(session, edition.id))
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@router.get("/template/front-image")
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def get_front_image(
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edition: Edition = Depends(get_edition),
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_guard: Account = Depends(require_coordinator),
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session: Session = Depends(get_session),
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) -> Response:
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template = _get_or_create_template(session, edition.id)
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if template.front_image is None:
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raise HTTPException(status_code=404, detail={"code": "error.not_found"})
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return Response(
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content=template.front_image,
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media_type=template.front_image_content_type or "application/octet-stream",
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)
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@router.get("/template/back-image")
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def get_back_image(
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edition: Edition = Depends(get_edition),
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_guard: Account = Depends(require_coordinator),
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session: Session = Depends(get_session),
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) -> Response:
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template = _get_or_create_template(session, edition.id)
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if template.back_image is None:
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raise HTTPException(status_code=404, detail={"code": "error.not_found"})
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return Response(
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content=template.back_image,
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media_type=template.back_image_content_type or "application/octet-stream",
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)
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@router.put("/template/fields", response_model=list[BadgeFieldRead])
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def set_fields(
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payload: BadgeFieldsSet,
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edition: Edition = Depends(get_edition),
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_guard: Account = Depends(require_coordinator),
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session: Session = Depends(get_session),
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) -> list[BadgeField]:
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seen: set[BadgeFieldType] = set()
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for f in payload.fields:
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if f.field_type in seen:
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raise HTTPException(
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status_code=422,
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detail={
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"code": "badge.duplicate_field_type",
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"params": {"field_type": f.field_type},
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},
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)
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seen.add(f.field_type)
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session.execute(delete(BadgeField).where(BadgeField.edition_id == edition.id))
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for f in payload.fields:
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session.add(BadgeField(edition_id=edition.id, **f.model_dump()))
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session.commit()
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return _fields(session, edition.id)
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@router.put("/template/size", response_model=BadgeTemplateRead)
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def set_size(
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payload: BadgeSizeUpdate,
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edition: Edition = Depends(get_edition),
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_guard: Account = Depends(require_coordinator),
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session: Session = Depends(get_session),
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) -> BadgeTemplateRead:
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"""Redimensionne le badge indépendamment de l'image (ex. une image
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importée à basse résolution donne un format minuscule à 300 dpi
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supposés — l'utilisateur l'agrandit ici). Écrase la taille déduite de
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l'image ; ré-importer l'image la recalcule à nouveau depuis ses pixels
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(`set_front_image`)."""
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if payload.badge_width_mm <= 0 or payload.badge_height_mm <= 0:
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raise HTTPException(status_code=422, detail={"code": "badge.invalid_size"})
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template = _get_or_create_template(session, edition.id)
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template.front_image_width_mm = payload.badge_width_mm
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template.front_image_height_mm = payload.badge_height_mm
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session.add(template)
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session.commit()
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return _template_read(template, _fields(session, edition.id))
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# --------------------------------------------------------------------------- #
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# Génération du PDF #
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# --------------------------------------------------------------------------- #
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AssignmentRow = tuple[Position, Shift]
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def _role_label(volunteer_id: uuid.UUID, lead_volunteer_ids: set[uuid.UUID]) -> str:
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if volunteer_id in lead_volunteer_ids:
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return t("badge.role.referent")
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return t("badge.role.volunteer")
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def _category_label(category) -> str:
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return t(f"position.category.{category.value.lower()}")
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def _day_label(day: dt.date) -> str:
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"""En-tête d'un jour dans le tableau des créneaux : « Samedi 11 »."""
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return t("badge.table.day_label", weekday=t(f"badge.weekday.{day.weekday()}"), day=day.day)
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def _positions_table(assignments: list[AssignmentRow], boundary: dt.time) -> BadgeTable | None:
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"""Créneaux affectés regroupés par jour de festival (une soirée qui
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passe minuit reste sur le jour où elle a commencé — `festival_day`) :
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le jour en en-tête, puis une ligne horaire / poste par créneau, dans
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l'ordre chronologique. `None` sans aucun créneau (rien à dessiner)."""
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by_day: dict[dt.date, list[tuple[str, str]]] = defaultdict(list)
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for position, shift in assignments:
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by_day[festival_day(shift.starts_at, boundary)].append(
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(f"{shift.starts_at:%H:%M}–{shift.ends_at:%H:%M}", position.name)
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)
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if not by_day:
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return None
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return BadgeTable(
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sections=tuple(
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BadgeTableSection(title=_day_label(day), rows=tuple(rows))
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for day, rows in sorted(by_day.items())
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)
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)
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def _field_text(
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field: BadgeField,
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volunteer: Volunteer,
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assignments_by_volunteer: dict[uuid.UUID, list[AssignmentRow]],
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lead_volunteer_ids: set[uuid.UUID],
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) -> str:
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"""Texte d'un champ — `POSITIONS` n'en a pas : c'est un tableau
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(`_positions_table`)."""
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if field.field_type == BadgeFieldType.FULL_NAME:
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return f"{volunteer.first_name} {volunteer.last_name}"
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if field.field_type == BadgeFieldType.FREE_TEXT:
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# Texte commun saisi dans l'éditeur, remplacé pour un bénévole par
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# le « Texte du badge » de sa fiche s'il en a un.
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return volunteer.badge_text or field.text or ""
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assignments = assignments_by_volunteer.get(volunteer.id, [])
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if field.field_type == BadgeFieldType.CATEGORY:
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categories = sorted(
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{_category_label(position.category) for position, _shift in assignments}
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)
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return ", ".join(categories)
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if field.field_type == BadgeFieldType.ROLE:
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return _role_label(volunteer.id, lead_volunteer_ids)
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return ""
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@router.post("/generate")
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def generate_badges(
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payload: BadgeGenerateRequest,
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edition: Edition = Depends(get_edition),
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_guard: Account = Depends(require_coordinator),
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session: Session = Depends(get_session),
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) -> Response:
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template = _get_or_create_template(session, edition.id)
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fields = _fields(session, edition.id)
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if not fields:
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raise HTTPException(status_code=422, detail={"code": "badge.no_fields"})
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query = select(Volunteer).where(Volunteer.edition_id == edition.id)
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if payload.volunteer_ids is not None:
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query = query.where(Volunteer.id.in_(payload.volunteer_ids))
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volunteers = list(session.exec(query.order_by(Volunteer.last_name, Volunteer.first_name)))
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if not volunteers:
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raise HTTPException(status_code=422, detail={"code": "badge.no_volunteers"})
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volunteer_ids = [v.id for v in volunteers]
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rows = session.exec(
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select(Assignment.volunteer_id, Position, Shift)
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.join(Shift, Shift.id == Assignment.shift_id)
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.join(Position, Position.id == Shift.position_id)
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.where(Assignment.volunteer_id.in_(volunteer_ids))
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.order_by(Shift.starts_at)
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).all()
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assignments_by_volunteer: dict[uuid.UUID, list[AssignmentRow]] = defaultdict(list)
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for volunteer_id, position, shift in rows:
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assignments_by_volunteer[volunteer_id].append((position, shift))
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boundary = day_boundary(
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session.exec(select(DayPart).where(DayPart.edition_id == edition.id))
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)
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lead_volunteer_ids = {
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account.volunteer_id
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for account in session.exec(
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select(Account).where(
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Account.edition_id == edition.id,
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Account.role == Role.LEAD,
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Account.volunteer_id.in_(volunteer_ids),
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)
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)
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if account.volunteer_id is not None
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}
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badges = [
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BadgeSpec(
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fields=tuple(
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BadgeFieldSpec(
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text=_field_text(
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field, volunteer, assignments_by_volunteer, lead_volunteer_ids
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),
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x_mm=field.x_mm,
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y_mm=field.y_mm,
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width_mm=field.width_mm,
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height_mm=field.height_mm,
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font_size=field.font_size,
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align=field.align.value,
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bold=field.bold,
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color=field.color,
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is_photo=field.field_type == BadgeFieldType.PHOTO,
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image=volunteer.photo
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if field.field_type == BadgeFieldType.PHOTO
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else None,
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table=_positions_table(
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assignments_by_volunteer.get(volunteer.id, []), boundary
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)
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if field.field_type == BadgeFieldType.POSITIONS
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else None,
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)
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for field in fields
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)
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)
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for volunteer in volunteers
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]
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pdf_bytes = generate_badge_sheets_pdf(
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badges,
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template.front_image,
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template.back_image,
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badge_width_mm=template.front_image_width_mm or DEFAULT_BADGE_WIDTH_MM,
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badge_height_mm=template.front_image_height_mm or DEFAULT_BADGE_HEIGHT_MM,
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)
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return Response(
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content=pdf_bytes,
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media_type="application/pdf",
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headers={"Content-Disposition": 'attachment; filename="badges.pdf"'},
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)
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