File size: 17,052 Bytes
f871fed
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
"""
Generic ContextBuilder for the Open Notebook project.

This module provides a flexible ContextBuilder class that can handle any parameters
and build context from sources, notebooks, insights, and notes.
"""
from __future__ import annotations

from dataclasses import dataclass
from typing import Any, Dict, List, Literal, Optional

from loguru import logger

from open_notebook.domain.notebook import Note, Notebook, Source
from open_notebook.exceptions import DatabaseOperationError, NotFoundError

from .text_utils import token_count


@dataclass
class ContextItem:
    """Represents a single item in the context."""
    
    id: str
    type: Literal["source", "note", "insight"]
    content: Dict[str, Any]
    priority: int = 0
    token_count: Optional[int] = None
    
    def __post_init__(self):
        """Calculate token count for the content if not provided."""
        if self.token_count is None:
            content_str = str(self.content)
            self.token_count = token_count(content_str)


@dataclass
class ContextConfig:
    """Configuration for context building."""

    sources: Optional[Dict[str, str]] = None  # {source_id: inclusion_level}
    notes: Optional[Dict[str, str]] = None    # {note_id: inclusion_level}
    include_insights: bool = True
    include_notes: bool = True
    max_tokens: Optional[int] = None
    priority_weights: Optional[Dict[str, int]] = None  # {type: weight}
    
    def __post_init__(self):
        """Initialize default values."""
        if self.sources is None:
            self.sources = {}
        if self.notes is None:
            self.notes = {}
        if self.priority_weights is None:
            self.priority_weights = {"source": 100, "note": 50, "insight": 75}


class ContextBuilder:
    """
    Generic ContextBuilder that can handle any parameters and build context
    from sources, notebooks, insights, and notes.
    """
    
    def __init__(self, **kwargs):
        """
        Initialize ContextBuilder with flexible parameters.

        Supported parameters:
        - source_id: str - Include specific source
        - notebook_id: str - Include notebook content
        - include_insights: bool - Include source insights
        - include_notes: bool - Include notes
        - context_config: ContextConfig - Custom context configuration
        - max_tokens: int - Maximum token limit
        - priority_order: List[str] - Custom priority order
        """
        # Store all parameters for flexibility
        self.params = kwargs

        # Extract commonly used parameters
        self.source_id: Optional[str] = kwargs.get('source_id')
        self.notebook_id: Optional[str] = kwargs.get('notebook_id')
        self.include_insights: bool = kwargs.get('include_insights', True)
        self.include_notes: bool = kwargs.get('include_notes', True)
        self.max_tokens: Optional[int] = kwargs.get('max_tokens')

        # Context configuration
        context_config_arg: Optional[ContextConfig] = kwargs.get('context_config')
        self.context_config: ContextConfig
        if context_config_arg is None:
            self.context_config = ContextConfig(
                include_insights=self.include_insights,
                include_notes=self.include_notes,
                max_tokens=self.max_tokens
            )
        else:
            self.context_config = context_config_arg

        # Items storage
        self.items: List[ContextItem] = []

        logger.debug(f"ContextBuilder initialized with params: {list(kwargs.keys())}")
    
    async def build(self) -> Dict[str, Any]:
        """
        Build context based on provided parameters.
        
        Returns:
            Dict containing the built context with metadata
        """
        try:
            logger.info("Starting context building")
            
            # Clear existing items
            self.items = []
            
            # Build context based on parameters
            if self.source_id:
                await self._add_source_context(self.source_id)
            
            if self.notebook_id:
                await self._add_notebook_context(self.notebook_id)
            
            # Process any additional custom parameters
            await self._process_custom_params()
            
            # Apply post-processing
            self.remove_duplicates()
            self.prioritize()
            
            if self.max_tokens:
                self.truncate_to_fit(self.max_tokens)
            
            # Format and return response
            return self._format_response()
            
        except Exception as e:
            logger.error(f"Error building context: {str(e)}")
            raise DatabaseOperationError(f"Failed to build context: {str(e)}")
    
    async def _add_source_context(
        self, 
        source_id: str, 
        inclusion_level: str = "insights"
    ) -> None:
        """
        Add source and its insights to context.
        
        Args:
            source_id: ID of the source
            inclusion_level: "insights", "full content", or "not in"
        """
        if inclusion_level == "not in":
            return
        
        try:
            # Ensure source ID has table prefix
            full_source_id = (
                source_id if source_id.startswith("source:")
                else f"source:{source_id}"
            )
            
            source = await Source.get(full_source_id)
            if not source:
                logger.warning(f"Source {source_id} not found")
                return
            
            # Determine context size based on inclusion level
            context_size: Literal["short", "long"] = "long" if "full content" in inclusion_level else "short"
            source_context = await source.get_context(context_size=context_size)

            # Add source item
            priority = (self.context_config.priority_weights or {}).get("source", 100)
            item = ContextItem(
                id=source.id or "",
                type="source",
                content=source_context,
                priority=priority
            )
            self.add_item(item)
            
            # Add insights if requested and available
            if self.include_insights and "insights" in inclusion_level:
                insights = await source.get_insights()
                for insight in insights:
                    insight_priority = (self.context_config.priority_weights or {}).get("insight", 75)
                    insight_item = ContextItem(
                        id=insight.id or "",
                        type="insight",
                        content={
                            "id": insight.id,
                            "source_id": source.id,
                            "insight_type": insight.insight_type,
                            "content": insight.content
                        },
                        priority=insight_priority
                    )
                    self.add_item(insight_item)
            
            logger.debug(f"Added source context for {source_id}")
            
        except NotFoundError:
            logger.warning(f"Source {source_id} not found")
        except Exception as e:
            logger.error(f"Error adding source context for {source_id}: {str(e)}")
            raise
    
    async def _add_notebook_context(self, notebook_id: str) -> None:
        """
        Add notebook content based on context configuration.
        
        Args:
            notebook_id: ID of the notebook
        """
        try:
            notebook = await Notebook.get(notebook_id)
            if not notebook:
                raise NotFoundError(f"Notebook {notebook_id} not found")
            
            # Process sources from context config or get all
            config_sources = self.context_config.sources
            if config_sources:
                for source_id, status in config_sources.items():
                    await self._add_source_context(source_id, status)
            else:
                # Default: get all sources with insights
                sources = await notebook.get_sources()
                for source in sources:
                    if source.id:
                        await self._add_source_context(source.id, "insights")

            # Process notes from context config or get all
            if self.include_notes:
                config_notes = self.context_config.notes
                if config_notes:
                    for note_id, status in config_notes.items():
                        if "not in" not in status:
                            await self._add_note_context(note_id, status)
                else:
                    # Default: get all notes with short content
                    notes = await notebook.get_notes()
                    for note in notes:
                        if note.id:
                            await self._add_note_context(note.id, "full content")
            
            logger.debug(f"Added notebook context for {notebook_id}")
            
        except Exception as e:
            logger.error(f"Error adding notebook context for {notebook_id}: {str(e)}")
            raise
    
    async def _add_note_context(
        self, 
        note_id: str, 
        inclusion_level: str = "full content"
    ) -> None:
        """
        Add note to context.
        
        Args:
            note_id: ID of the note
            inclusion_level: "full content" or "not in"
        """
        if inclusion_level == "not in":
            return
        
        try:
            # Ensure note ID has table prefix
            full_note_id = (
                note_id if note_id.startswith("note:")
                else f"note:{note_id}"
            )
            
            note = await Note.get(full_note_id)
            if not note:
                logger.warning(f"Note {note_id} not found")
                return
            
            # Get note context
            context_size: Literal["short", "long"] = "long" if "full content" in inclusion_level else "short"
            note_context = note.get_context(context_size=context_size)

            # Add note item
            priority = (self.context_config.priority_weights or {}).get("note", 50)
            item = ContextItem(
                id=note.id or "",
                type="note",
                content=note_context,
                priority=priority
            )
            self.add_item(item)
            
            logger.debug(f"Added note context for {note_id}")
            
        except NotFoundError:
            logger.warning(f"Note {note_id} not found")
        except Exception as e:
            logger.error(f"Error adding note context for {note_id}: {str(e)}")
    
    async def _process_custom_params(self) -> None:
        """Process any additional custom parameters."""
        # Hook for future extensions - can be overridden in subclasses
        # or used to process additional kwargs
        for key, value in self.params.items():
            if key.startswith('custom_'):
                logger.debug(f"Processing custom parameter: {key}={value}")
                # Custom processing logic can be added here
    
    def add_item(self, item: ContextItem) -> None:
        """
        Add a ContextItem to the builder.
        
        Args:
            item: ContextItem to add
        """
        self.items.append(item)
        logger.debug(f"Added item {item.id} with priority {item.priority}")
    
    def prioritize(self) -> None:
        """Sort items by priority (higher priority first)."""
        self.items.sort(key=lambda x: x.priority, reverse=True)
        logger.debug(f"Prioritized {len(self.items)} items")
    
    def truncate_to_fit(self, max_tokens: int) -> None:
        """
        Remove items if total token count exceeds limit.
        
        Args:
            max_tokens: Maximum allowed tokens
        """
        if not max_tokens:
            return
        
        total_tokens = sum(item.token_count or 0 for item in self.items)
        
        if total_tokens <= max_tokens:
            logger.debug(f"Token count {total_tokens} within limit {max_tokens}")
            return
        
        logger.info(f"Truncating from {total_tokens} to {max_tokens} tokens")
        
        # Remove items from the end (lowest priority) until under limit
        current_tokens = total_tokens
        removed_count = 0
        
        while current_tokens > max_tokens and self.items:
            removed_item = self.items.pop()
            current_tokens -= (removed_item.token_count or 0)
            removed_count += 1
        
        logger.info(f"Removed {removed_count} items, final token count: {current_tokens}")
    
    def remove_duplicates(self) -> None:
        """Remove duplicate items based on ID."""
        seen_ids = set()
        deduplicated_items = []
        
        for item in self.items:
            if item.id not in seen_ids:
                deduplicated_items.append(item)
                seen_ids.add(item.id)
        
        removed_count = len(self.items) - len(deduplicated_items)
        self.items = deduplicated_items
        
        if removed_count > 0:
            logger.debug(f"Removed {removed_count} duplicate items")
    
    def _format_response(self) -> Dict[str, Any]:
        """
        Format the final response.
        
        Returns:
            Formatted context response
        """
        # Group items by type
        sources = []
        notes = []
        insights = []
        
        for item in self.items:
            if item.type == "source":
                sources.append(item.content)
            elif item.type == "note":
                notes.append(item.content)
            elif item.type == "insight":
                insights.append(item.content)
        
        # Calculate total tokens
        total_tokens = sum(item.token_count or 0 for item in self.items)
        
        response = {
            "sources": sources,
            "notes": notes,
            "insights": insights,
            "total_tokens": total_tokens,
            "total_items": len(self.items),
            "metadata": {
                "source_count": len(sources),
                "note_count": len(notes),
                "insight_count": len(insights),
                "config": {
                    "include_insights": self.include_insights,
                    "include_notes": self.include_notes,
                    "max_tokens": self.max_tokens
                }
            }
        }
        
        # Add notebook_id if provided
        if self.notebook_id:
            response["notebook_id"] = self.notebook_id
        
        logger.info(f"Built context with {len(self.items)} items, {total_tokens} tokens")
        
        return response


# Convenience functions for common use cases

async def build_notebook_context(
    notebook_id: str,
    context_config: Optional[ContextConfig] = None,
    max_tokens: Optional[int] = None
) -> Dict[str, Any]:
    """
    Build context for a notebook.
    
    Args:
        notebook_id: ID of the notebook
        context_config: Optional context configuration
        max_tokens: Optional token limit
    
    Returns:
        Built context
    """
    builder = ContextBuilder(
        notebook_id=notebook_id,
        context_config=context_config,
        max_tokens=max_tokens
    )
    return await builder.build()


async def build_source_context(
    source_id: str,
    include_insights: bool = True,
    max_tokens: Optional[int] = None
) -> Dict[str, Any]:
    """
    Build context for a single source.
    
    Args:
        source_id: ID of the source
        include_insights: Whether to include insights
        max_tokens: Optional token limit
    
    Returns:
        Built context
    """
    builder = ContextBuilder(
        source_id=source_id,
        include_insights=include_insights,
        max_tokens=max_tokens
    )
    return await builder.build()


async def build_mixed_context(
    source_ids: Optional[List[str]] = None,
    note_ids: Optional[List[str]] = None,
    notebook_id: Optional[str] = None,
    max_tokens: Optional[int] = None
) -> Dict[str, Any]:
    """
    Build context from mixed sources.
    
    Args:
        source_ids: List of source IDs
        note_ids: List of note IDs
        notebook_id: Optional notebook ID
        max_tokens: Optional token limit
    
    Returns:
        Built context
    """
    context_config = ContextConfig(max_tokens=max_tokens)
    
    # Configure sources
    if source_ids:
        context_config.sources = {sid: "insights" for sid in source_ids}
    
    # Configure notes  
    if note_ids:
        context_config.notes = {nid: "full content" for nid in note_ids}
    
    builder = ContextBuilder(
        notebook_id=notebook_id,
        context_config=context_config,
        max_tokens=max_tokens
    )
    return await builder.build()