65 lines
1.8 KiB
Python
65 lines
1.8 KiB
Python
import json
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from difflib import unified_diff
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import frappe
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from frappe.utils import pretty_date
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from frappe.utils.data import cstr
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@frappe.whitelist()
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def get_version_diff(from_version: int | str, to_version: int | str, fieldname: str = "script") -> list[str]:
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before, before_timestamp = _get_value_from_version(from_version, fieldname)
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after, after_timestamp = _get_value_from_version(to_version, fieldname)
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if not (before and after):
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return ["Values not available for diff"]
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before = before.split("\n")
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after = after.split("\n")
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diff = unified_diff(
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before,
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after,
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fromfile=cstr(from_version),
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tofile=cstr(to_version),
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fromfiledate=before_timestamp,
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tofiledate=after_timestamp,
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)
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return list(diff)
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def _get_value_from_version(version_name: int | str, fieldname: str):
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version = frappe.get_list("Version", fields=["data", "modified"], filters={"name": version_name})
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if version:
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data = json.loads(version[0].data)
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changed_fields = data.get("changed", [])
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# data structure of field: [fieldname, before_save, after_save]
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for field in changed_fields:
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if field[0] == fieldname:
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return field[2], str(version[0].modified)
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return None, None
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@frappe.whitelist()
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@frappe.validate_and_sanitize_search_inputs
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def version_query(doctype, txt, searchfield, start, page_len, filters):
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version_filters = {
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"docname": filters["docname"],
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"ref_doctype": filters["ref_doctype"],
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}
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if fieldname := filters.get("fieldname"):
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# This helps filter version logs which contain changes to the field.
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version_filters["data"] = ("LIKE", f'%"{fieldname}"%')
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results = frappe.get_list(
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"Version",
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fields=["name", "modified"],
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filters=version_filters,
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limit_start=start,
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limit_page_length=page_len,
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order_by="modified desc",
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)
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return [(d.name, pretty_date(d.modified), d.modified) for d in results]
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