integration-google-docs-sdd-software-design-document

title: Google Docs Integration - Software Design Document type: reference component_type: reference version: 1.0.0 created: '2025-12-27' updated: '2025-12-27' status: draft tags:

ai-ml
authentication
security
testing
api
architecture
automation
backend summary: 'Google Docs Integration - Software Design Document Project: CODITECT Google Docs Integration Version: 1.0.0 Status: Planning Last Updated: December 17, 2025 --- Executive Summary This document defines the software design for integrating Google Docs...' moe_confidence: 0.950 moe_classified: 2025-12-31

Google Docs Integration - Software Design Document

Project: CODITECT Google Docs Integration Version: 1.0.0 Status: Planning Last Updated: December 17, 2025

1. Executive Summary

This document defines the software design for integrating Google Docs with CODITECT. The integration enables document creation, collaborative editing, template management, and export functionality for meeting notes, project documentation, and team collaboration.

1.1 Purpose

Document Creation - Create Docs from templates and AI-generated content
Real-time Collaboration - Multi-user editing with presence awareness
Template Management - Maintain project document templates
Export & Conversion - Export to PDF, Word, Markdown

1.2 Scope

Feature	Included	Notes
Create Document	Yes	From scratch or template
Read Document	Yes	Content and metadata
Update Document	Yes	Batch updates with API
Delete Document	Yes	Via Drive integration
Export Document	Yes	PDF, DOCX, TXT, HTML, Markdown
Templates	Yes	Create, apply, manage
Suggestions	Yes	View, accept, reject
Comments	Yes	Add, reply, resolve
Named Ranges	Yes	Bookmarks for automation
Revision History	Partial	Via Drive Revisions API

2. System Architecture

2.1 High-Level Architecture

CODITECT Platform
       │
       ▼
┌──────────────────────────────────────────────────────────┐
│                  Google Docs Integration                 │
├──────────────────────────────────────────────────────────┤
│  ┌─────────────┐  ┌───────────────┐  ┌────────────────┐ │
│  │ DocsClient  │  │DocumentManager│  │TemplateManager │ │
│  │             │  │               │  │                │ │
│  │ - Auth      │  │ - Create      │  │ - Create       │ │
│  │ - API calls │  │ - Read        │  │ - Apply        │ │
│  │ - Batching  │  │ - Update      │  │ - List         │ │
│  └─────────────┘  └───────────────┘  └────────────────┘ │
│                                                          │
│  ┌─────────────┐  ┌───────────────┐  ┌────────────────┐ │
│  │ExportService│  │CommentService │  │SuggestionService│ │
│  │             │  │               │  │                │ │
│  │ - PDF       │  │ - Add         │  │ - List         │ │
│  │ - DOCX      │  │ - Reply       │  │ - Accept       │ │
│  │ - Markdown  │  │ - Resolve     │  │ - Reject       │ │
│  └─────────────┘  └───────────────┘  └────────────────┘ │
└──────────────────────────────────────────────────────────┘
       │
       ▼
Google Docs API v1 (REST)

2.2 Component Overview

Component	Responsibility
DocsClient	Authenticated API client with batching
DocumentManager	Document CRUD operations
TemplateManager	Template creation and application
ExportService	Document export and conversion
CommentService	Comment and discussion management
SuggestionService	Suggestion mode handling

3. Data Models

3.1 Core Entities

@dataclass
class Document:
    """Google Docs document metadata."""
    id: str
    title: str
    revision_id: str
    created_time: datetime
    modified_time: datetime
    body: Optional["DocumentBody"]
    headers: Dict[str, "Header"]
    footers: Dict[str, "Footer"]
    named_styles: Optional["NamedStyles"]
    suggested_changes: Dict[str, "SuggestedChange"]

@dataclass
class DocumentBody:
    """Document body content."""
    content: List["StructuralElement"]

@dataclass
class StructuralElement:
    """Base structural element in document."""
    start_index: int
    end_index: int
    paragraph: Optional["Paragraph"] = None
    table: Optional["Table"] = None
    section_break: Optional["SectionBreak"] = None

@dataclass
class Paragraph:
    """Paragraph element."""
    elements: List["ParagraphElement"]
    paragraph_style: "ParagraphStyle"
    bullet: Optional["Bullet"] = None

@dataclass
class ParagraphElement:
    """Element within a paragraph."""
    start_index: int
    end_index: int
    text_run: Optional["TextRun"] = None
    inline_object_element: Optional["InlineObject"] = None
    page_break: Optional[bool] = None

@dataclass
class TextRun:
    """Text content with styling."""
    content: str
    text_style: "TextStyle"
    suggested_text_style_changes: Dict[str, "TextStyle"]

@dataclass
class TextStyle:
    """Text formatting options."""
    bold: Optional[bool] = None
    italic: Optional[bool] = None
    underline: Optional[bool] = None
    strikethrough: Optional[bool] = None
    font_size: Optional["Dimension"] = None
    foreground_color: Optional["Color"] = None
    background_color: Optional["Color"] = None
    link: Optional["Link"] = None
    font_family: Optional[str] = None

@dataclass
class Template:
    """Document template."""
    id: str
    name: str
    description: str
    document_id: str
    category: str  # meeting_notes, project_doc, etc.
    placeholders: List[str]
    created_at: datetime
    updated_at: datetime

@dataclass
class Comment:
    """Document comment."""
    id: str
    content: str
    author: "CommentAuthor"
    created_time: datetime
    modified_time: datetime
    anchor: Optional["CommentAnchor"]
    replies: List["CommentReply"]
    resolved: bool

@dataclass
class Suggestion:
    """Suggested edit."""
    suggestion_id: str
    author: str
    suggested_text: Optional[str]
    original_text: Optional[str]
    start_index: int
    end_index: int

3.2 Request Types

@dataclass
class InsertTextRequest:
    """Insert text at location."""
    text: str
    location: "Location"  # index or end_of_segment

@dataclass
class DeleteContentRangeRequest:
    """Delete content in range."""
    range: "Range"  # start_index, end_index, segment_id

@dataclass
class UpdateTextStyleRequest:
    """Apply text formatting."""
    range: "Range"
    text_style: TextStyle
    fields: str  # Field mask

@dataclass
class ReplaceAllTextRequest:
    """Find and replace text."""
    find_text: str
    replace_text: str
    match_case: bool = False

@dataclass
class InsertTableRequest:
    """Insert table at location."""
    rows: int
    columns: int
    location: "Location"

@dataclass
class CreateNamedRangeRequest:
    """Create named range (bookmark)."""
    name: str
    range: "Range"

4. API Design

4.1 REST Endpoints

Document Operations

Method	Endpoint	Description
GET	`/api/v1/docs`	List documents
GET	`/api/v1/docs/{doc_id}`	Get document
POST	`/api/v1/docs`	Create document
PATCH	`/api/v1/docs/{doc_id}`	Update document
DELETE	`/api/v1/docs/{doc_id}`	Delete document
POST	`/api/v1/docs/{doc_id}/export`	Export document

Template Operations

Method	Endpoint	Description
GET	`/api/v1/docs/templates`	List templates
POST	`/api/v1/docs/templates`	Create template
POST	`/api/v1/docs/templates/{id}/apply`	Create from template
DELETE	`/api/v1/docs/templates/{id}`	Delete template

Comment Operations

Method	Endpoint	Description
GET	`/api/v1/docs/{doc_id}/comments`	List comments
POST	`/api/v1/docs/{doc_id}/comments`	Add comment
POST	`/api/v1/docs/{doc_id}/comments/{id}/reply`	Reply to comment
POST	`/api/v1/docs/{doc_id}/comments/{id}/resolve`	Resolve comment

Suggestion Operations

Method	Endpoint	Description
GET	`/api/v1/docs/{doc_id}/suggestions`	List suggestions
POST	`/api/v1/docs/{doc_id}/suggestions/{id}/accept`	Accept suggestion
POST	`/api/v1/docs/{doc_id}/suggestions/{id}/reject`	Reject suggestion

4.2 Request/Response Examples

Create Document:

POST /api/v1/docs
{
  "title": "Sprint Planning - Week 47",
  "template_id": "meeting_notes_template",
  "placeholders": {
    "{{DATE}}": "2025-12-17",
    "{{ATTENDEES}}": "Alice, Bob, Charlie",
    "{{PROJECT}}": "CODITECT v2.0"
  },
  "share_with": ["alice@example.com", "bob@example.com"]
}

Response:
{
  "id": "1abc...xyz",
  "title": "Sprint Planning - Week 47",
  "web_view_link": "https://docs.google.com/document/d/1abc...xyz/edit",
  "created_time": "2025-12-17T09:00:00Z"
}

Update Document (Batch):

PATCH /api/v1/docs/{doc_id}
{
  "requests": [
    {
      "insertText": {
        "text": "Action Items:\n",
        "endOfSegmentLocation": { "segmentId": "" }
      }
    },
    {
      "updateTextStyle": {
        "range": { "startIndex": 1, "endIndex": 14 },
        "textStyle": { "bold": true },
        "fields": "bold"
      }
    }
  ]
}

Export Document:

POST /api/v1/docs/{doc_id}/export
{
  "format": "pdf",
  "options": {
    "include_comments": false,
    "include_suggestions": false
  }
}

Response:
{
  "download_url": "https://...",
  "format": "pdf",
  "size": 125432
}

5. Integration with CODITECT

5.1 Use Cases

Use Case	Description
Meeting Notes	Auto-generate meeting notes from transcripts
Project Documentation	Create project docs from templates
Sprint Reports	Generate weekly/sprint reports
Action Items	Track action items with named ranges
Collaborative Editing	Team editing with suggestions mode

5.2 Meeting Notes Workflow

Meeting Ends → Transcript Ready → Generate Notes → Create Doc → Share
      │                │                │              │          │
      ▼                ▼                ▼              ▼          ▼
  Zoom/Meet     AI Processing     Template +      Docs API    Drive API
                                  Content

5.3 Template Categories

Category	Templates
Meetings	meeting_notes, standup, retrospective, 1on1
Projects	project_brief, requirements, design_doc, post_mortem
Reports	weekly_report, sprint_report, status_update
Proposals	feature_proposal, rfp_response, budget_request

5.4 Integration with Other Modules

# Auto-create meeting notes after meeting ends
@meeting_transcribed.listener
async def create_meeting_notes(meeting: Meeting, transcript: Transcript):
    # Generate notes using AI
    notes_content = await ai.generate_meeting_notes(transcript)

    # Create document from template
    doc = await docs.create_from_template(
        template_id="meeting_notes",
        title=f"Notes: {meeting.title} - {meeting.date}",
        placeholders={
            "{{MEETING_TITLE}}": meeting.title,
            "{{DATE}}": meeting.date.strftime("%Y-%m-%d"),
            "{{ATTENDEES}}": ", ".join(a.name for a in meeting.attendees),
            "{{SUMMARY}}": notes_content.summary,
            "{{ACTION_ITEMS}}": notes_content.action_items,
            "{{KEY_DECISIONS}}": notes_content.decisions
        }
    )

    # Share with attendees
    for attendee in meeting.attendees:
        await drive.share_with_user(doc.id, attendee.email, role="writer")

    # Link to meeting record
    await meetings.link_document(meeting.id, doc.id)

6. Security Considerations

6.1 OAuth 2.0 Scopes

Scope	Purpose	Sensitivity
`documents`	Full Docs access	Medium
`documents.readonly`	Read-only access	Low
`drive.file`	Files created by app	Low (recommended)

6.2 Data Protection

Sensitive Content - Never store PII in template placeholders
Access Control - Respect document permissions
Audit Logging - Log document access and modifications
Encryption - All API calls over TLS 1.3

6.3 Permission Best Practices

Default to "writer" for meeting participants
Use "commenter" for stakeholders
Use "reader" for distribution lists
Never share publicly without explicit approval

7. Error Handling

7.1 Error Codes

Code	Description	Action
400	Invalid request	Check request format
401	Unauthorized	Refresh OAuth token
403	Permission denied	Check document access
404	Document not found	Document deleted or moved
429	Rate limited	Exponential backoff
500	Server error	Retry with backoff

7.2 Batch Request Errors

# Individual requests in batch can fail
response = await docs.batch_update(doc_id, requests)
for reply in response.replies:
    if "error" in reply:
        handle_individual_error(reply.error)

8. Performance Considerations

8.1 Rate Limits

Operation	Limit
Read requests	300 per minute per user
Write requests	60 per minute per user
Batch update	1 per second per document

8.2 Optimization Strategies

Batch Updates - Combine multiple edits into single request
Partial Responses - Request only needed document parts
Caching - Cache document metadata
Lazy Loading - Load document body only when needed

8.3 Large Document Handling

# For large documents, use suggested_view_mode
doc = await docs.get(doc_id, fields="title,body.content", view_mode="WITHOUT_SUGGESTIONS")

9. Monitoring & Observability

9.1 Metrics

Metric	Description
`docs.api.requests`	Total API requests
`docs.api.errors`	Failed requests by type
`docs.create.latency`	Document creation time
`docs.export.size`	Export file size
`docs.batch.size`	Requests per batch

9.2 Alerts

API error rate > 5%
Rate limit warnings (> 80% utilization)
Batch request failures
Export failures

10. Dependencies

Dependency	Version	Purpose
google-api-python-client	2.x	Google Docs API
google-auth	2.x	OAuth 2.0 authentication
httpx	0.25+	Async HTTP client
markdown	3.x	Markdown export
pypandoc	1.x	Document conversion

Appendix A: Google Docs API Reference

API Endpoints:

Resource	Base URL
Documents	`https://docs.googleapis.com/v1/documents`
Batch Update	`https://docs.googleapis.com/v1/documents/{documentId}:batchUpdate`

Documentation: https://developers.google.com/docs/api/reference/rest

Document Control:

Created: December 17, 2025
Owner: CODITECT Engineering Team

Google Docs Integration - Software Design Document

1. Executive Summary​

1.1 Purpose​

1.2 Scope​

2. System Architecture​

2.1 High-Level Architecture​

2.2 Component Overview​

3. Data Models​

3.1 Core Entities​

3.2 Request Types​

4. API Design​

4.1 REST Endpoints​

Document Operations​

Template Operations​

Comment Operations​

Suggestion Operations​

4.2 Request/Response Examples​

5. Integration with CODITECT​

5.1 Use Cases​

5.2 Meeting Notes Workflow​

5.3 Template Categories​

5.4 Integration with Other Modules​

6. Security Considerations​

6.1 OAuth 2.0 Scopes​

6.2 Data Protection​

6.3 Permission Best Practices​

7. Error Handling​

7.1 Error Codes​

7.2 Batch Request Errors​

8. Performance Considerations​

8.1 Rate Limits​

8.2 Optimization Strategies​

8.3 Large Document Handling​

9. Monitoring & Observability​

9.1 Metrics​

9.2 Alerts​

10. Dependencies​

Appendix A: Google Docs API Reference​