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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| """ | ||
| Created on 2024-01-24 | ||
| Experience API xAPI support module | ||
| @author: wf | ||
| """ | ||
| import json | ||
| import sys | ||
|
|
||
| from dcm.dcm_core import Achievement, CompetenceTree, Learner | ||
|
|
||
|
|
||
| class XAPI: | ||
| """ | ||
| Experience API xAPI support class | ||
| """ | ||
|
|
||
| def __init__(self): | ||
| self.xapi_dict = {} | ||
|
|
||
| def warn(self, msg): | ||
| print(msg, file=sys.stderr) | ||
| pass | ||
|
|
||
| def to_learner(self, competence_tree: CompetenceTree) -> Learner: | ||
| """ | ||
| Convert xapi_dict to a Learner with Achievements. | ||
| Args: | ||
| competence_tree (CompetenceTree): The competence tree to align the achievements with. | ||
| Returns: | ||
| Learner: A learner object with achievements mapped from xapi_dict. | ||
| """ | ||
| # Assuming each entry in xapi_dict is an xAPI statement relevant to a learning activity | ||
| achievements = [] | ||
| actor_id = None | ||
| learner = None | ||
| for entry in self.xapi_dict: | ||
| stmt=entry.get("statement") | ||
| if stmt: | ||
| actor=stmt.get("actor") | ||
| if actor: | ||
| # Extract necessary information from the xAPI statement | ||
| new_actor_id = actor["account"]["name"] | ||
| if actor_id is None: | ||
| actor_id = new_actor_id | ||
| else: | ||
| if new_actor_id != actor_id: | ||
| self.warn(f"invalid actor_id {new_actor_id} != {actor_id}") | ||
| competence_path = stmt["context"]["extensions"][ | ||
| "learningObjectMetadata" | ||
| ]["competencePath"] | ||
| score_scaled = stmt["result"]["score"]["scaled"] | ||
| timestamp = stmt["timestamp"] | ||
|
|
||
| # Create an Achievement instance | ||
| achievement = Achievement( | ||
| path=competence_path, | ||
| level=int( | ||
| score_scaled * competence_tree.total_valid_levels | ||
| ), # Convert scaled score to level | ||
| score=stmt["result"]["score"]["raw"], | ||
| date_assessed_iso=timestamp, | ||
| ) | ||
| achievements.append(achievement) | ||
|
|
||
| if actor_id: | ||
| # Create a Learner instance with these achievements | ||
| learner = Learner(learner_id=actor_id, achievements=achievements) | ||
| else: | ||
| self.warn("no learner / actor defined") | ||
| return learner | ||
|
|
||
| @classmethod | ||
| def from_json(cls, json_file_path: str): | ||
| xapi = cls() | ||
| # Open and read the JSON file | ||
| with open(json_file_path, "r") as json_file: | ||
| xapi.xapi_dict = json.load(json_file) | ||
| return xapi |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| { | ||
| "learner_id": "1116e424-b4f9-45a2-acc1-c5d54350daea", | ||
| "achievements": [ | ||
| { | ||
| "path": "greta_v2_0/BerufspraktischesWissenUndKoennen/BeratungIndividualisierteLernunterstuetzung/Teilnehmendenorientierung", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-17T11:03:33.863Z" | ||
| }, | ||
| { | ||
| "path": "greta_v2_0/BerufspraktischesWissenUndKoennen/BeratungIndividualisierteLernunterstuetzung/Teilnehmendenorientierung", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-23T11:03:33.863Z" | ||
| }, | ||
| { | ||
| "path": "greta_v2_0/BerufspraktischesWissenUndKoennen/BeratungIndividualisierteLernunterstuetzung/Teilnehmendenorientierung", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-18T11:03:33.863Z" | ||
| }, | ||
| { | ||
| "path": "greta_v2_0/ProfessionelleSelbststeuerung/MotivationaleOrientierungen/Selbstwirksamkeitsueberzeugungen", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-25T11:03:33.863Z" | ||
| }, | ||
| { | ||
| "path": "greta_v2_0/ProfessionelleSelbststeuerung/MotivationaleOrientierungen/Selbstwirksamkeitsueberzeugungen", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-23T11:03:33.863Z" | ||
| }, | ||
| { | ||
| "path": "greta_v2_0/BerufspraktischesWissenUndKoennen/DidaktikUndMethodik/RahmenbedingungenUndLernumgebungen", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-19T11:03:33.863Z" | ||
| }, | ||
| { | ||
| "path": "greta_v2_0/BerufspraktischesWissenUndKoennen/DidaktikUndMethodik/RahmenbedingungenUndLernumgebungen", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-17T11:03:33.863Z" | ||
| }, | ||
| { | ||
| "path": "greta_v2_0/BerufspraktischesWissenUndKoennen/DidaktikUndMethodik/Outcomeorientierung", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-22T11:03:33.863Z" | ||
| }, | ||
| { | ||
| "path": "greta_v2_0/BerufspraktischesWissenUndKoennen/DidaktikUndMethodik/Outcomeorientierung", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-17T11:03:33.863Z" | ||
| }, | ||
| { | ||
| "path": "greta_v2_0/BerufspraktischesWissenUndKoennen/DidaktikUndMethodik/LerninhalteUndZiele", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-17T11:03:33.863Z" | ||
| }, | ||
| { | ||
| "path": "greta_v2_0/BerufspraktischesWissenUndKoennen/DidaktikUndMethodik/LerninhalteUndZiele", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-18T11:03:33.863Z" | ||
| }, | ||
| { | ||
| "path": "greta_v2_0/ProfessionelleSelbststeuerung/MotivationaleOrientierungen/Enthusiasmus", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-26T11:03:33.863Z" | ||
| }, | ||
| { | ||
| "path": "greta_v2_0/ProfessionelleSelbststeuerung/MotivationaleOrientierungen/Enthusiasmus", | ||
| "level": 3, | ||
| "score": 3, | ||
| "score_unit": "%", | ||
| "evidence": null, | ||
| "date_assessed_iso": "2023-09-25T11:03:33.863Z" | ||
| } | ||
| ] | ||
| } |
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