1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_STRIKE_DATABASE_STRIKE_DATABASE_BASE_H_
#define COMPONENTS_STRIKE_DATABASE_STRIKE_DATABASE_BASE_H_
#include <stdint.h>
#include <map>
#include <string>
#include <string_view>
#include <vector>
#include "components/keyed_service/core/keyed_service.h"
namespace base {
class Time;
}
namespace autofill {
class StrikeData;
// Interface for the StrikeDatabase which is used by the
// StrikeDatabaseIntegratorBase that is oblivious to the underlying database
// specifics. This class is also used to allow for simpler testing.
class StrikeDatabaseBase : public KeyedService {
public:
StrikeDatabaseBase();
~StrikeDatabaseBase() override;
// Increases in-memory cache by `strikes_increase` and updates underlying
// ProtoDatabase.
virtual int AddStrikes(int strikes_increase, const std::string& key) = 0;
// Removes `strikes_decrease` in-memory cache strikes, updates
// last_update_timestamp, and updates underlying ProtoDatabase.
virtual int RemoveStrikes(int strikes_decrease, const std::string& key) = 0;
// Returns strike count from in-memory cache.
virtual int GetStrikes(const std::string& key) = 0;
// Removes database entry for `key` from in-memory cache and underlying
// ProtoDatabase.
virtual void ClearStrikes(const std::string& key) = 0;
// Returns all strike keys for `project_prefix`.
// The returned keys still contain the `project_prefix`.
virtual std::vector<std::string> GetAllStrikeKeysForProject(
const std::string& project_prefix) = 0;
// Removes database entry for keys in `keys_to_remove` from in-memory cache
// and the underlying ProtoDatabase.
virtual void ClearStrikesForKeys(
const std::vector<std::string>& keys_to_remove) = 0;
// Removes all database entries from in-memory cache and underlying
// ProtoDatabase for the whole project.
virtual void ClearAllStrikesForProject(const std::string& project_prefix) = 0;
// Removes all database entries from in-memory cache and underlying
// ProtoDatabase.
virtual void ClearAllStrikes() = 0;
// Extracts per-project prefix from `key`.
virtual std::string GetPrefixFromKey(const std::string& key) const = 0;
// Updates the StrikeData for `key` in the cache and ProtoDatabase to have
// `num_strikes`, and the current time as timestamp.
virtual void SetStrikeData(const std::string& key, int num_strikes) = 0;
// Returns the timestamp when the records for `key` were last updated.
virtual base::Time GetLastUpdatedTimestamp(const std::string& key) = 0;
protected:
friend class StrikeDatabaseIntegratorBase;
// The deliminator that separates the project identifier and the id in the
// strike key.
static constexpr std::string_view kKeyDeliminator = "__";
// Returns a pointer to the internal cache.
virtual std::map<std::string, StrikeData>& GetStrikeCache() = 0;
};
} // namespace autofill
#endif // COMPONENTS_STRIKE_DATABASE_STRIKE_DATABASE_BASE_H_
|
