event.go

Documentation: github.com/chaos-mesh/chaos-mesh/pkg/dashboard/store/event

     1  // Copyright 2021 Chaos Mesh Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  // http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  //
    15  
    16  package event
    17  
    18  import (
    19  	"context"
    20  	"strconv"
    21  	"time"
    22  
    23  	"github.com/jinzhu/gorm"
    24  
    25  	"github.com/chaos-mesh/chaos-mesh/pkg/dashboard/core"
    26  )
    27  
    28  func NewStore(db *gorm.DB) core.EventStore {
    29  	db.AutoMigrate(&core.Event{})
    30  
    31  	return &eventStore{db}
    32  }
    33  
    34  type eventStore struct {
    35  	db *gorm.DB
    36  }
    37  
    38  func (e *eventStore) List(_ context.Context) ([]*core.Event, error) {
    39  	var events []*core.Event
    40  
    41  	if err := e.db.Find(&events).Error; err != nil {
    42  		return nil, err
    43  	}
    44  
    45  	return events, nil
    46  }
    47  
    48  func (e *eventStore) ListBy(_ context.Context, by string, args ...interface{}) ([]*core.Event, error) {
    49  	var events []*core.Event
    50  
    51  	if err := e.db.Where(by, args...).Find(&events).Error; err != nil {
    52  		return nil, err
    53  	}
    54  
    55  	return events, nil
    56  }
    57  
    58  func (e *eventStore) ListByUID(c context.Context, uid string) ([]*core.Event, error) {
    59  	return e.ListBy(c, "object_id = ?", uid)
    60  }
    61  
    62  func (e *eventStore) ListByUIDs(c context.Context, uids []string) ([]*core.Event, error) {
    63  	return e.ListBy(c, "object_id IN (?)", uids)
    64  }
    65  
    66  func (e *eventStore) ListByExperiment(c context.Context, namespace string, name string, kind string) ([]*core.Event, error) {
    67  	return e.ListBy(c, "namespace = ? AND name = ? AND kind = ?", namespace, name, kind)
    68  }
    69  
    70  func (e *eventStore) ListByFilter(_ context.Context, filter core.Filter) ([]*core.Event, error) {
    71  	var (
    72  		events []*core.Event
    73  		limit  int
    74  		err    error
    75  	)
    76  
    77  	query, args := filter.ConstructQueryArgs()
    78  	statement := e.db.Where(query, args...).Order("id desc")
    79  
    80  	if filter.Limit != "" {
    81  		limit, err = strconv.Atoi(filter.Limit)
    82  		if err != nil {
    83  			return nil, err
    84  		}
    85  
    86  		statement = statement.Limit(limit)
    87  	}
    88  
    89  	if err := statement.Find(&events).Error; err != nil {
    90  		return nil, err
    91  	}
    92  
    93  	return events, nil
    94  }
    95  
    96  func (e *eventStore) Find(_ context.Context, id uint) (*core.Event, error) {
    97  	event := new(core.Event)
    98  
    99  	if err := e.db.First(event, id).Error; err != nil {
   100  		return nil, err
   101  	}
   102  
   103  	return event, nil
   104  }
   105  
   106  func (e *eventStore) Create(_ context.Context, event *core.Event) error {
   107  	return e.db.Create(event).Error
   108  }
   109  
   110  func (e *eventStore) DeleteByUID(_ context.Context, uid string) error {
   111  	return e.db.Where("object_id = ?", uid).Delete(&core.Event{}).Error
   112  }
   113  
   114  func (e *eventStore) DeleteByUIDs(_ context.Context, uids []string) error {
   115  	return e.db.Where("object_id IN (?)", uids).Delete(&core.Event{}).Error
   116  }
   117  
   118  func (e *eventStore) DeleteByTime(_ context.Context, start string, end string) error {
   119  	return e.db.Where("created_at BETWEEN ? AND ?", start, end).Delete(&core.Event{}).Error
   120  }
   121  
   122  func (e *eventStore) DeleteByDuration(_ context.Context, duration time.Duration) error {
   123  	now := time.Now().UTC().Add(-duration).Format("2006-01-02 15:04:05")
   124  
   125  	return e.db.Where("created_at <= ?", now).Delete(&core.Event{}).Error
   126  }
   127