89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# MIT License. See license.txt
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from __future__ import unicode_literals
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"""Allow adding of likes to documents"""
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import frappe, json
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from frappe.model.db_schema import add_column
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from frappe import _
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from frappe.utils import get_link_to_form
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@frappe.whitelist()
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def toggle_like(doctype, name, add=False):
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"""Adds / removes the current user in the `__liked_by` property of the given document.
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If column does not exist, will add it in the database.
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The `_liked_by` property is always set from this function and is ignored if set via
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Document API
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:param doctype: DocType of the document to like
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:param name: Name of the document to like
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:param add: `Yes` if like is to be added. If not `Yes` the like will be removed."""
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_toggle_like(doctype, name, add)
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def _toggle_like(doctype, name, add, user=None):
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"""Same as toggle_like but hides param `user` from API"""
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if not user:
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user = frappe.session.user
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try:
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liked_by = frappe.db.get_value(doctype, name, "_liked_by")
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# CHANGED: Allow someone to like their own documents as it also works as a bookmark
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# if owner==frappe.session.user and add=="Yes":
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# frappe.throw(_("You cannot like something that you created"))
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if liked_by:
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liked_by = json.loads(liked_by)
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else:
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liked_by = []
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if add=="Yes":
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if user not in liked_by:
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liked_by.append(user)
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add_comment(doctype, name)
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else:
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if user in liked_by:
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liked_by.remove(user)
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remove_like(doctype, name)
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frappe.db.set_value(doctype, name, "_liked_by", json.dumps(liked_by), update_modified=False)
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except Exception, e:
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if isinstance(e.args, (tuple, list)) and e.args and e.args[0]==1054:
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add_column(doctype, "_liked_by", "Text")
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_toggle_like(doctype, name, add, user)
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else:
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raise
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def remove_like(doctype, name):
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"""Remove previous Like"""
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# remove Comment
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frappe.delete_doc("Communication", [c.name for c in frappe.get_all("Communication",
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filters={
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"communication_type": "Comment",
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"reference_doctype": doctype,
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"reference_name": name,
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"owner": frappe.session.user,
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"comment_type": "Like"
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}
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)], ignore_permissions=True)
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def add_comment(doctype, name):
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doc = frappe.get_doc(doctype, name)
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if doctype=="Communication" and doc.reference_doctype and doc.reference_name:
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link = get_link_to_form(doc.reference_doctype, doc.reference_name,
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"{0} {1}".format(_(doc.reference_doctype), doc.reference_name))
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doc.add_comment("Like", _("{0}: {1} in {2}").format(_(doc.communication_type),
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"<b>" + doc.subject + "</b>", link),
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link_doctype=doc.reference_doctype, link_name=doc.reference_name)
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else:
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doc.add_comment("Like", _("Liked"))
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