o ×’[i>#ã@sBdZddlZddlmZmZmZmZddlm Z Gdd„dƒZ dS)a/ Update Engine Service This module handles selective field updates for duplicate records. Users can choose which fields to update in existing MongoDB records. Key features: - Field-level update selection - Preview updates before applying - Support for nested field updates - Preserve unchanged fields éN)ÚDictÚAnyÚListÚOptional)Ú JSONFlattenerc @sàeZdZdZdd„Zdeeeefde j fdd„Z de j deeee ffd d „Z de j deeeefdeeeeffd d „Z dde j deeede j fdd„Zde j de j fdd„Zde j deeeffdd„Zd S)Ú UpdateEnginezÎ Engine for handling selective field updates on duplicate records. Allows users to choose which fields to update in MongoDB when JSON contains updated information for existing records. cCs tƒ|_dS)zInitialize update engine.N)rÚ flattener)Úself©r ú2/var/www/html/IGF-ODF-V3/services/update_engine.pyÚ__init__s zUpdateEngine.__init__Ú duplicatesÚreturnc Cs,g}t|ƒD]Š\}}|d}|d}| d¡}dd„| ¡Dƒ}dd„| ¡Dƒ} t| ¡ƒt|  ¡ƒB} t| ƒD]V} | | ¡} |  | ¡} | |vrR| | vrRd}d}n| |vr_| | vr_d }d }n | | krhd }d }nd }d }| ||rut|ƒnd | || d ur€t| ƒnd| d ur‰t| ƒnd|dœ¡q9qt  |¡S)aa Build a DataFrame for update preview with field selection. Args: duplicates: List of duplicate records with json_record and db_record Returns: DataFrame with columns: - _record_index: Index of the duplicate record - _db_id: MongoDB _id for update operation - field: Field name - status: 'new', 'different', 'missing_in_json', 'match' - json_value: Value from JSON - db_value: Value from MongoDB - _update_decision: 'skip', 'update' (user choice) Ú json_recordÚ db_recordÚ_idcSó i|] \}}| d¡s||“qS©Ú_©Ú startswith©Ú.0ÚkÚvr r r Ú ;ó z?UpdateEngine.build_update_preview_dataframe..cSrrrrr r r r<rÚnewÚupdateÚmissing_in_jsonÚskipÚ differentÚmatchNÚ)Ú _record_indexÚ_db_idÚfieldÚstatusÚ json_valueÚdb_valueÚ_update_decision) Ú enumerateÚgetÚitemsÚsetÚkeysÚsortedÚappendÚstrÚpdÚ DataFrame)r r ÚrowsÚidxÚduprrÚdb_idÚ json_fieldsÚ db_fieldsÚ all_fieldsr&r(r)r'Údefault_decisionr r r Úbuild_update_preview_dataframesB     ùî z+UpdateEngine.build_update_preview_dataframeÚ preview_dfcCsRggdœ}| ¡D]\}}| dd¡}|dkr|d |¡q |d |¡q |S)zü Extract update decisions from preview DataFrame. Args: preview_df: Preview DataFrame with update decisions Returns: Dictionary with 'update' and 'skip' lists of row indices )rr r*r r)Úiterrowsr,r1)r r>Ú decisionsr6ÚrowÚdecisionr r r Úextract_update_decisions^sþ z%UpdateEngine.extract_update_decisionscCsÞi}| ¡D],\}}|ddkrq|d}|d}|d}||vr*|didœ||<|||d|<qg} | ¡D]3\}} | dsBq9||d } | d ¡} d d „|  ¡Dƒ} |j | ¡} |  d | d id| i|dœ¡q9| S)aè Prepare MongoDB update operations based on user selections. Args: preview_df: Preview DataFrame with update decisions duplicates: Original duplicate records Returns: List of update operations for MongoDB bulk_write Each operation: { 'filter': {'_id': ObjectId}, 'update': {'$set': {field: value, ...}}, 'record_index': int } r*rr$r&r(r%)r8ÚfieldsrDrcSrrrrr r r r°rz:UpdateEngine.prepare_update_operations..rr8z$set)ÚfilterrÚ record_index)r?r-ÚcopyrÚ unflattenr1)r r>r Úupdates_by_recordr6rAÚ record_idxr&r(Ú operationsÚ update_inforÚfields_to_updateÚunflattened_updatesr r r Úprepare_update_operationsys4  þ     ýz&UpdateEngine.prepare_update_operationsNÚdfÚ status_filtercCs8| ¡}|r|d |¡}d|j|df<|Sd|d<|S)a Mark all fields (or filtered fields) for update. Args: df: Preview DataFrame status_filter: Optional list of statuses to update (e.g., ['new', 'different']) Returns: Updated DataFrame r'rr*)rGÚisinÚloc)r rPrQÚmaskr r r Úmark_all_for_update½sþz UpdateEngine.mark_all_for_updatecCs| ¡}d|d<|S)z¬ Mark all fields to skip (no updates). Args: df: Preview DataFrame Returns: Updated DataFrame r r*)rG)r rPr r r Úmark_all_for_skipÖs zUpdateEngine.mark_all_for_skipc CsŽ|d ¡ ¡}|d ¡ ¡}||ddkd ¡}t||ddkƒ}t|ƒ|| dd¡|| dd¡| dd¡| d d¡| d d¡d œS) zÔ Get summary of pending updates. Args: preview_df: Preview DataFrame with update decisions Returns: Dictionary with update statistics r'r*rr$r rrr!rr")Ú total_fieldsrMÚfields_to_skipÚrecords_to_updateÚ new_fieldsÚdifferent_fieldsÚmissing_fieldsÚmatching_fields)Ú value_countsÚto_dictÚnuniqueÚlenr,)r r>Ú status_countsÚdecision_countsrYrMr r r Úget_update_summaryçs     øzUpdateEngine.get_update_summary)N)Ú__name__Ú __module__Ú __qualname__Ú__doc__r rrr2rr3r4r=ÚintrCrOrrUrVrdr r r r rsLþ ý?þ ýþý üGýþ ý üþ ýþ ýr) rhÚpandasr3ÚtypingrrrrÚservices.json_flattenerrrr r r r Ús