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path: root/gitlab/v4/objects/merge_request_approvals.py
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from gitlab import exceptions as exc
from gitlab.base import *  # noqa
from gitlab.mixins import *  # noqa


__all__ = [
    "ProjectApproval",
    "ProjectApprovalManager",
    "ProjectApprovalRule",
    "ProjectApprovalRuleManager",
    "ProjectMergeRequestApproval",
    "ProjectMergeRequestApprovalManager",
    "ProjectMergeRequestApprovalRule",
    "ProjectMergeRequestApprovalRuleManager",
]


class ProjectApproval(SaveMixin, RESTObject):
    _id_attr = None


class ProjectApprovalManager(GetWithoutIdMixin, UpdateMixin, RESTManager):
    _path = "/projects/%(project_id)s/approvals"
    _obj_cls = ProjectApproval
    _from_parent_attrs = {"project_id": "id"}
    _update_attrs = (
        tuple(),
        (
            "approvals_before_merge",
            "reset_approvals_on_push",
            "disable_overriding_approvers_per_merge_request",
            "merge_requests_author_approval",
            "merge_requests_disable_committers_approval",
        ),
    )
    _update_uses_post = True

    @exc.on_http_error(exc.GitlabUpdateError)
    def set_approvers(self, approver_ids=None, approver_group_ids=None, **kwargs):
        """Change project-level allowed approvers and approver groups.

        Args:
            approver_ids (list): User IDs that can approve MRs
            approver_group_ids (list): Group IDs whose members can approve MRs

        Raises:
            GitlabAuthenticationError: If authentication is not correct
            GitlabUpdateError: If the server failed to perform the request
        """
        approver_ids = approver_ids or []
        approver_group_ids = approver_group_ids or []

        path = "/projects/%s/approvers" % self._parent.get_id()
        data = {"approver_ids": approver_ids, "approver_group_ids": approver_group_ids}
        self.gitlab.http_put(path, post_data=data, **kwargs)


class ProjectApprovalRule(SaveMixin, ObjectDeleteMixin, RESTObject):
    _id_attr = "id"


class ProjectApprovalRuleManager(
    ListMixin, CreateMixin, UpdateMixin, DeleteMixin, RESTManager
):
    _path = "/projects/%(project_id)s/approval_rules"
    _obj_cls = ProjectApprovalRule
    _from_parent_attrs = {"project_id": "id"}
    _create_attrs = (("name", "approvals_required"), ("user_ids", "group_ids"))


class ProjectMergeRequestApproval(SaveMixin, RESTObject):
    _id_attr = None


class ProjectMergeRequestApprovalManager(GetWithoutIdMixin, UpdateMixin, RESTManager):
    _path = "/projects/%(project_id)s/merge_requests/%(mr_iid)s/approvals"
    _obj_cls = ProjectMergeRequestApproval
    _from_parent_attrs = {"project_id": "project_id", "mr_iid": "iid"}
    _update_attrs = (("approvals_required",), tuple())
    _update_uses_post = True

    @exc.on_http_error(exc.GitlabUpdateError)
    def set_approvers(
        self,
        approvals_required,
        approver_ids=None,
        approver_group_ids=None,
        approval_rule_name="name",
        **kwargs
    ):
        """Change MR-level allowed approvers and approver groups.

        Args:
            approvals_required (integer): The number of required approvals for this rule
            approver_ids (list of integers): User IDs that can approve MRs
            approver_group_ids (list): Group IDs whose members can approve MRs

        Raises:
            GitlabAuthenticationError: If authentication is not correct
            GitlabUpdateError: If the server failed to perform the request
        """
        approver_ids = approver_ids or []
        approver_group_ids = approver_group_ids or []

        data = {
            "name": approval_rule_name,
            "approvals_required": approvals_required,
            "rule_type": "regular",
            "user_ids": approver_ids,
            "group_ids": approver_group_ids,
        }
        approval_rules = self._parent.approval_rules
        """ update any existing approval rule matching the name"""
        existing_approval_rules = approval_rules.list()
        for ar in existing_approval_rules:
            if ar.name == approval_rule_name:
                ar.user_ids = data["user_ids"]
                ar.approvals_required = data["approvals_required"]
                ar.group_ids = data["group_ids"]
                ar.save()
                return ar
        """ if there was no rule matching the rule name, create a new one"""
        return approval_rules.create(data=data)


class ProjectMergeRequestApprovalRule(SaveMixin, RESTObject):
    _id_attr = "approval_rule_id"
    _short_print_attr = "approval_rule"

    @exc.on_http_error(exc.GitlabUpdateError)
    def save(self, **kwargs):
        """Save the changes made to the object to the server.

        The object is updated to match what the server returns.

        Args:
            **kwargs: Extra options to send to the server (e.g. sudo)

        Raise:
            GitlabAuthenticationError: If authentication is not correct
            GitlabUpdateError: If the server cannot perform the request
        """
        # There is a mismatch between the name of our id attribute and the put REST API name for the
        # project_id, so we override it here.
        self.approval_rule_id = self.id
        self.merge_request_iid = self._parent_attrs["mr_iid"]
        self.id = self._parent_attrs["project_id"]
        # save will update self.id with the result from the server, so no need to overwrite with
        # what it was before we overwrote it."""
        SaveMixin.save(self, **kwargs)


class ProjectMergeRequestApprovalRuleManager(
    ListMixin, UpdateMixin, CreateMixin, RESTManager
):
    _path = "/projects/%(project_id)s/merge_requests/%(mr_iid)s/approval_rules"
    _obj_cls = ProjectMergeRequestApprovalRule
    _from_parent_attrs = {"project_id": "project_id", "mr_iid": "iid"}
    _list_filters = ("name", "rule_type")
    _update_attrs = (
        ("id", "merge_request_iid", "approval_rule_id", "name", "approvals_required"),
        ("user_ids", "group_ids"),
    )
    # Important: When approval_project_rule_id is set, the name, users and groups of
    # project-level rule will be copied. The approvals_required specified will be used.  """
    _create_attrs = (
        ("id", "merge_request_iid", "name", "approvals_required"),
        ("approval_project_rule_id", "user_ids", "group_ids"),
    )

    def create(self, data, **kwargs):
        """Create a new object.

        Args:
            data (dict): Parameters to send to the server to create the
                         resource
            **kwargs: Extra options to send to the server (e.g. sudo or
                      'ref_name', 'stage', 'name', 'all')

        Raises:
            GitlabAuthenticationError: If authentication is not correct
            GitlabCreateError: If the server cannot perform the request

        Returns:
            RESTObject: A new instance of the manage object class build with
                        the data sent by the server
        """
        new_data = data.copy()
        new_data["id"] = self._from_parent_attrs["project_id"]
        new_data["merge_request_iid"] = self._from_parent_attrs["mr_iid"]
        return CreateMixin.create(self, new_data, **kwargs)