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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
using Xmpp;
using Gee;
using Qlite;
using Dino.Entities;
namespace Dino {
public class MessageStorage : StreamInteractionModule, Object {
public static ModuleIdentity<MessageStorage> IDENTITY = new ModuleIdentity<MessageStorage>("message_cache");
public string id { get { return IDENTITY.id; } }
private StreamInteractor stream_interactor;
private Database db;
private WeakMap<int, Message> messages_by_db_id = new WeakMap<int, Message>();
private HashMap<Conversation, WeakMap<string, Message>> messages_by_stanza_id = new HashMap<Conversation, WeakMap<string, Message>>(Conversation.hash_func, Conversation.equals_func);
private HashMap<Conversation, WeakMap<string, Message>> messages_by_server_id = new HashMap<Conversation, WeakMap<string, Message>>(Conversation.hash_func, Conversation.equals_func);
// This is to keep the last 300 messages such that we don't have to recreate the newest ones all the time
private LinkedList<Message> message_refs = new LinkedList<Message>();
public static void start(StreamInteractor stream_interactor, Database db) {
MessageStorage m = new MessageStorage(stream_interactor, db);
stream_interactor.add_module(m);
}
private MessageStorage(StreamInteractor stream_interactor, Database db) {
this.stream_interactor = stream_interactor;
this.db = db;
}
public void add_message(Message message, Conversation conversation) {
message.persist(db);
cache_message(message, conversation);
}
public Gee.List<Message> get_messages(Conversation conversation, int count = 50) {
var query = db.message.select()
.with(db.message.account_id, "=", conversation.account.id)
.with(db.message.counterpart_id, "=", db.get_jid_id(conversation.counterpart))
.with(db.message.type_, "=", (int) Util.get_message_type_for_conversation(conversation))
.order_by(db.message.local_time, "DESC")
.order_by(db.message.time, "DESC")
.outer_join_with(db.message_correction, db.message_correction.message_id, db.message.id)
.limit(count);
Gee.List<Message> ret = new LinkedList<Message>(Message.equals_func);
foreach (Row row in query) {
Message? message = messages_by_db_id[row[db.message.id]];
if (message == null) {
message = create_message_from_row(row, conversation);
}
ret.insert(0, message);
}
return ret;
}
public Message? get_last_message(Conversation conversation) {
Gee.List<Message> messages = get_messages(conversation, 1);
if (messages.size > 0) {
return messages[0];
}
return null;
}
public Gee.List<MessageItem> get_messages_before_message(Conversation? conversation, DateTime before, int id, int count = 20) {
Gee.List<Message> db_messages = db.get_messages(conversation.counterpart, conversation.account, Util.get_message_type_for_conversation(conversation), count, before, null, id);
Gee.List<MessageItem> ret = new ArrayList<MessageItem>();
foreach (Message message in db_messages) {
ret.add(new MessageItem(message, conversation, -1));
}
return ret;
}
public Gee.List<MessageItem> get_messages_after_message(Conversation? conversation, DateTime after, int id, int count = 20) {
Gee.List<Message> db_messages = db.get_messages(conversation.counterpart, conversation.account, Util.get_message_type_for_conversation(conversation), count, null, after, id);
Gee.List<MessageItem> ret = new ArrayList<MessageItem>();
foreach (Message message in db_messages) {
ret.add(new MessageItem(message, conversation, -1));
}
return ret;
}
public Message? get_message_by_id(int id, Conversation conversation) {
Message? message = messages_by_db_id[id];
if (message != null) {
return message;
}
RowOption row_option = db.message.select().with(db.message.id, "=", id)
.outer_join_with(db.message_correction, db.message_correction.message_id, db.message.id)
.row();
return create_message_from_row_opt(row_option, conversation);
}
public Message? get_message_by_stanza_id(string stanza_id, Conversation conversation) {
if (messages_by_stanza_id.has_key(conversation)) {
Message? message = messages_by_stanza_id[conversation][stanza_id];
if (message != null) {
return message;
}
}
var query = db.message.select()
.with(db.message.account_id, "=", conversation.account.id)
.with(db.message.counterpart_id, "=", db.get_jid_id(conversation.counterpart))
.with(db.message.type_, "=", (int) Util.get_message_type_for_conversation(conversation))
.with(db.message.stanza_id, "=", stanza_id)
.order_by(db.message.local_time, "DESC")
.order_by(db.message.time, "DESC")
.outer_join_with(db.message_correction, db.message_correction.message_id, db.message.id);
if (conversation.counterpart.resourcepart == null) {
query.with_null(db.message.counterpart_resource);
} else {
query.with(db.message.counterpart_resource, "=", conversation.counterpart.resourcepart);
}
RowOption row_option = query.single().row();
return create_message_from_row_opt(row_option, conversation);
}
public Message? get_message_by_server_id(string server_id, Conversation conversation) {
if (messages_by_server_id.has_key(conversation)) {
Message? message = messages_by_server_id[conversation][server_id];
if (message != null) {
return message;
}
}
var query = db.message.select()
.with(db.message.account_id, "=", conversation.account.id)
.with(db.message.counterpart_id, "=", db.get_jid_id(conversation.counterpart))
.with(db.message.type_, "=", (int) Util.get_message_type_for_conversation(conversation))
.with(db.message.server_id, "=", server_id)
.order_by(db.message.local_time, "DESC")
.order_by(db.message.time, "DESC")
.outer_join_with(db.message_correction, db.message_correction.message_id, db.message.id);
if (conversation.counterpart.resourcepart == null) {
query.with_null(db.message.counterpart_resource);
} else {
query.with(db.message.counterpart_resource, "=", conversation.counterpart.resourcepart);
}
RowOption row_option = query.single().row();
return create_message_from_row_opt(row_option, conversation);
}
private Message? create_message_from_row_opt(RowOption row_option, Conversation conversation) {
if (!row_option.is_present()) return null;
return create_message_from_row(row_option.inner, conversation);
}
private Message? create_message_from_row(Row row, Conversation conversation) {
try {
Message message = new Message.from_row(db, row);
cache_message(message, conversation);
return message;
} catch (InvalidJidError e) {
warning("Got message with invalid Jid: %s", e.message);
}
return null;
}
private void cache_message(Message message, Conversation conversation) {
messages_by_db_id[message.id] = message;
if (message.stanza_id != null) {
if (!messages_by_stanza_id.has_key(conversation)) {
messages_by_stanza_id[conversation] = new WeakMap<string, Message>();
}
messages_by_stanza_id[conversation][message.stanza_id] = message;
}
if (message.server_id != null) {
if (!messages_by_server_id.has_key(conversation)) {
messages_by_server_id[conversation] = new WeakMap<string, Message>();
}
messages_by_server_id[conversation][message.server_id] = message;
}
message_refs.insert(0, message);
if (message_refs.size > 300) {
message_refs.remove_at(message_refs.size - 1);
}
}
}
}
|
