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ppt-tool/backend/utils
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Vadym Samoilenko 587f5ef6e1 Add 3 sandbox features: diagrams, mermaid, and template code-gen 
Feature 1 — PPTX from Template (Code-Gen):
- backend/services/template_codegen_service.py: analyze PPTX, strip slides,
  Gemini code-gen + subprocess exec (60s timeout, auto-retry on error)
- backend/api/v1/ppt/endpoints/template_codegen.py: POST /template-codegen/generate
  (multipart: presentation_id + template_file + custom_prompt, rate-limited 3/min)
- frontend/components/TemplateCodegenExport.tsx: drag-drop modal
- Header.tsx: "Export from Template" option in export dropdown

Feature 2 — Diagrams in Slides:
- backend/models/diagram_data.py: DiagramData / FlowStep / BarChartItem models
- generate_slide_content.py: optional __diagram__ + __mermaid__ fields in LLM schema
- DiagramRenderer.tsx: pure React flowchart / bar chart / pie chart (no deps)
- SlideRenderer.tsx: chart elements render DiagramRenderer/MermaidRenderer;
  floating overlay fallback when no chart element exists in JSON layout
- V1ContentRender.tsx: diagram/mermaid overlay on built-in template slides
- generate-pptx/route.ts: addDiagramToSlide() — bar/pie via pptxgenjs addChart(),
  flowchart via addShape()+addText(), mermaid via /api/mermaid-to-image

Feature 3 — Mermaid Diagrams:
- MermaidRenderer.tsx: dynamic import mermaid@11, useEffect render, error fallback
- frontend/app/api/mermaid-to-image/route.ts: Puppeteer renders Mermaid to PNG → base64

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-19 18:47:31 +00:00
..
llm_calls Add 3 sandbox features: diagrams, mermaid, and template code-gen 2026-03-19 18:47:31 +00:00
__init__.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
asset_directory_utils.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
async_iterator.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
auth_dependencies.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
available_models.py Fix Google model name comparison 2026-02-27 20:22:59 +00:00
datetime_utils.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
db_utils.py Rebrand Presenton to Oliver DeckForge, pre-configure models, use NanoBanana Pro 2026-02-26 18:17:11 +00:00
dict_utils.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
download_helpers.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
dummy_functions.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
error_handling.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
export_utils.py Replace PPTX export pipeline: Puppeteer/python-pptx → PptxGenJS 2026-03-01 21:04:31 +00:00
file_utils.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
get_dynamic_models.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
get_env.py Phase 4: Generation Pipeline — brand enforcement, enhanced LLM calls, ARQ job queue 2026-02-26 16:15:25 +00:00
get_layout_by_name.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
image_provider.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
image_utils.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
llm_client_error_handler.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
llm_context.py Phase 2: Admin panel, analytics, storage, template pipeline, multi-provider LLM 2026-02-26 23:39:34 +00:00
llm_provider.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
model_availability.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
ollama.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
oxml_geometry.py Implement critical security fixes and modern design system (Pre-launch P0 tasks) 2026-02-27 18:28:24 +00:00
parsers.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
ppt_utils.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
process_slides.py Phase 3: Bug fixes, feature enhancements, and polish 2026-02-27 12:58:52 +00:00
safe_error_handler.py Complete critical security improvements (P0.5-P0.8) 2026-02-27 18:33:58 +00:00
schema_utils.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
set_env.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
tsx_validator.py Implement critical security fixes and modern design system (Pre-launch P0 tasks) 2026-02-27 18:28:24 +00:00
user_config.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00
validators.py Phase 1-2: Foundation + Admin Panel & Client Management 2026-02-26 15:37:17 +00:00