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using Gee;
using Xmpp;
using Qlite;
using Dino.Entities;
namespace Dino {
public class SearchProcessor : StreamInteractionModule, Object {
public static ModuleIdentity<SearchProcessor> IDENTITY = new ModuleIdentity<SearchProcessor>("search_processor");
public string id { get { return IDENTITY.id; } }
private StreamInteractor stream_interactor;
private Database db;
public static void start(StreamInteractor stream_interactor, Database db) {
SearchProcessor m = new SearchProcessor(stream_interactor, db);
stream_interactor.add_module(m);
}
public SearchProcessor(StreamInteractor stream_interactor, Database db) {
this.stream_interactor = stream_interactor;
this.db = db;
}
private QueryBuilder prepare_search(string query, bool join_content) {
string words = "";
string? with = null;
string? in_ = null;
string? from = null;
foreach(string word in query.split(" ")) {
if (word.has_prefix("with:")) {
if (with == null) {
with = word.substring(5);
} else {
return db.message.select().where("0");
}
} else if (word.has_prefix("in:")) {
if (in_ == null) {
in_ = word.substring(3);
} else {
return db.message.select().where("0");
}
} else if (word.has_prefix("from:")) {
if (from == null) {
from = word.substring(5);
} else {
return db.message.select().where("0");
}
} else {
words += word + "* ";
}
}
if (in_ != null && with != null) {
return db.message.select().where("0");
}
QueryBuilder rows = db.message
.match(db.message.body, words)
.order_by(db.message.id, "DESC")
.join_with(db.jid, db.jid.id, db.message.counterpart_id)
.join_with(db.account, db.account.id, db.message.account_id)
.outer_join_with(db.real_jid, db.real_jid.message_id, db.message.id)
.with(db.account.enabled, "=", true);
if (join_content) {
rows.join_on(db.content, "message.id=content_item.foreign_id AND content_item.content_type=1")
.with(db.content.content_type, "=", 1);
}
if (with != null) {
if (with.index_of("/") > 0) {
rows.with(db.message.type_, "=", Message.Type.GROUPCHAT_PM)
.with(db.jid.bare_jid, "LIKE", with.substring(0, with.index_of("/")))
.with(db.message.counterpart_resource, "LIKE", with.substring(with.index_of("/") + 1));
} else {
rows.where(@"($(db.message.type_) = $((int)Message.Type.CHAT) AND $(db.jid.bare_jid) LIKE ?)"
+ @" OR ($(db.message.type_) = $((int)Message.Type.GROUPCHAT_PM) AND $(db.real_jid.real_jid) LIKE ?)"
+ @" OR ($(db.message.type_) = $((int)Message.Type.GROUPCHAT_PM) AND $(db.message.counterpart_resource) LIKE ?)", {with, with, with});
}
} else if (in_ != null) {
rows.with(db.jid.bare_jid, "LIKE", in_)
.with(db.message.type_, "=", Message.Type.GROUPCHAT);
}
if (from != null) {
rows.where(@"($(db.message.direction) = 1 AND $(db.account.bare_jid) LIKE ?)"
+ @" OR ($(db.message.direction) = 1 AND $(db.message.type_) IN ($((int)Message.Type.GROUPCHAT), $((int)Message.Type.GROUPCHAT_PM)) AND $(db.message.our_resource) LIKE ?)"
+ @" OR ($(db.message.direction) = 0 AND $(db.message.type_) = $((int)Message.Type.CHAT) AND $(db.jid.bare_jid) LIKE ?)"
+ @" OR ($(db.message.direction) = 0 AND $(db.message.type_) IN ($((int)Message.Type.GROUPCHAT), $((int)Message.Type.GROUPCHAT_PM)) AND $(db.real_jid.real_jid) LIKE ?)"
+ @" OR ($(db.message.direction) = 0 AND $(db.message.type_) IN ($((int)Message.Type.GROUPCHAT), $((int)Message.Type.GROUPCHAT_PM)) AND $(db.message.counterpart_resource) LIKE ?)", {from, from, from, from, from});
}
return rows;
}
public Gee.List<SearchSuggestion> suggest_auto_complete(string query, int cursor_position, int limit = 5) {
int after_prev_space = query.substring(0, cursor_position).last_index_of(" ") + 1;
int next_space = query.index_of(" ", after_prev_space);
if (next_space < 0) next_space = query.length;
string current_query = query.substring(after_prev_space, next_space - after_prev_space);
Gee.List<SearchSuggestion> suggestions = new ArrayList<SearchSuggestion>();
if (current_query.has_prefix("from:")) {
if (cursor_position < after_prev_space + 5) return suggestions;
string current_from = current_query.substring(5);
string[] splitted = query.split(" ");
foreach(string s in splitted) {
if (s.has_prefix("from:") && s != "from:" + current_from) {
// Already have an from: filter -> no useful autocompletion possible
return suggestions;
}
}
string? current_in = null;
string? current_with = null;
foreach(string s in splitted) {
if (s.has_prefix("in:")) {
current_in = s.substring(3);
} else if (s.has_prefix("with:")) {
current_with = s.substring(5);
}
}
if (current_in != null && current_with != null) {
// in: and with: -> no useful autocompletion possible
return suggestions;
}
if (current_with != null) {
// Can only be the other one or us
// Normal chat
QueryBuilder chats = db.conversation.select()
.join_with(db.jid, db.jid.id, db.conversation.jid_id)
.join_with(db.account, db.account.id, db.conversation.account_id)
.with(db.jid.bare_jid, "=", current_with)
.with(db.account.enabled, "=", true)
.with(db.conversation.type_, "=", Conversation.Type.CHAT)
.order_by(db.conversation.last_active, "DESC");
foreach(Row chat in chats) {
if (suggestions.size == 0) {
suggestions.add(new SearchSuggestion(new Account.from_row(db, chat), new Jid(chat[db.jid.bare_jid]), "from:"+chat[db.jid.bare_jid], after_prev_space, next_space));
}
suggestions.add(new SearchSuggestion(new Account.from_row(db, chat), new Jid(chat[db.account.bare_jid]), "from:"+chat[db.account.bare_jid], after_prev_space, next_space));
}
return suggestions;
}
if (current_in != null) {
// All members of the MUC with history
QueryBuilder msgs = db.message.select()
.select_string(@"account.*, $(db.message.counterpart_resource)")
.join_with(db.jid, db.jid.id, db.message.counterpart_id)
.join_with(db.account, db.account.id, db.message.account_id)
.with(db.jid.bare_jid, "=", current_in)
.with(db.account.enabled, "=", true)
.with(db.message.type_, "=", Message.Type.GROUPCHAT)
.with(db.message.counterpart_resource, "LIKE", @"%$current_from%")
.group_by({db.message.counterpart_resource})
.order_by_name(@"MAX($(db.message.time))", "DESC")
.limit(5);
foreach(Row msg in msgs) {
suggestions.add(new SearchSuggestion(new Account.from_row(db, msg), new Jid(current_in).with_resource(msg[db.message.counterpart_resource]), "from:"+msg[db.message.counterpart_resource], after_prev_space, next_space));
}
}
// TODO: auto complete from
} else if (current_query.has_prefix("with:")) {
if (cursor_position < after_prev_space + 5) return suggestions;
string current_with = current_query.substring(5);
string[] splitted = query.split(" ");
foreach(string s in splitted) {
if ((s.has_prefix("with:") && s != "with:" + current_with) || s.has_prefix("in:")) {
// Already have an in: or with: filter -> no useful autocompletion possible
return suggestions;
}
}
// Normal chat
QueryBuilder chats = db.conversation.select()
.join_with(db.jid, db.jid.id, db.conversation.jid_id)
.join_with(db.account, db.account.id, db.conversation.account_id)
.outer_join_on(db.roster, @"$(db.jid.bare_jid) = $(db.roster.jid) AND $(db.account.id) = $(db.roster.account_id)")
.where(@"$(db.jid.bare_jid) LIKE ? OR $(db.roster.handle) LIKE ?", {@"%$current_with%", @"%$current_with%"})
.with(db.account.enabled, "=", true)
.with(db.conversation.type_, "=", Conversation.Type.CHAT)
.order_by(db.conversation.last_active, "DESC")
.limit(limit);
foreach(Row chat in chats) {
suggestions.add(new SearchSuggestion(new Account.from_row(db, chat), new Jid(chat[db.jid.bare_jid]), "with:"+chat[db.jid.bare_jid], after_prev_space, next_space) { order = chat[db.conversation.last_active]});
}
// Groupchat PM
if (suggestions.size < 5) {
chats = db.conversation.select()
.join_with(db.jid, db.jid.id, db.conversation.jid_id)
.join_with(db.account, db.account.id, db.conversation.account_id)
.where(@"$(db.jid.bare_jid) LIKE ? OR $(db.conversation.resource) LIKE ?", {@"%$current_with%", @"%$current_with%"})
.with(db.account.enabled, "=", true)
.with(db.conversation.type_, "=", Conversation.Type.GROUPCHAT_PM)
.order_by(db.conversation.last_active, "DESC")
.limit(limit - suggestions.size);
foreach(Row chat in chats) {
suggestions.add(new SearchSuggestion(new Account.from_row(db, chat), new Jid(chat[db.jid.bare_jid]).with_resource(chat[db.conversation.resource]), "with:"+chat[db.jid.bare_jid]+"/"+chat[db.conversation.resource], after_prev_space, next_space) { order = chat[db.conversation.last_active]});
}
suggestions.sort((a, b) => (int)(b.order - a.order));
}
} else if (current_query.has_prefix("in:")) {
if (cursor_position < after_prev_space + 3) return suggestions;
string current_in = current_query.substring(3);
string[] splitted = query.split(" ");
foreach(string s in splitted) {
if ((s.has_prefix("in:") && s != "in:" + current_in) || s.has_prefix("with:")) {
// Already have an in: or with: filter -> no useful autocompletion possible
return suggestions;
}
}
QueryBuilder groupchats = db.conversation.select()
.join_with(db.jid, db.jid.id, db.conversation.jid_id)
.join_with(db.account, db.account.id, db.conversation.account_id)
.with(db.jid.bare_jid, "LIKE", @"%$current_in%")
.with(db.account.enabled, "=", true)
.with(db.conversation.type_, "=", Conversation.Type.GROUPCHAT)
.order_by(db.conversation.last_active, "DESC")
.limit(limit);
foreach(Row chat in groupchats) {
suggestions.add(new SearchSuggestion(new Account.from_row(db, chat), new Jid(chat[db.jid.bare_jid]), "in:"+chat[db.jid.bare_jid], after_prev_space, next_space));
}
} else {
// Other auto complete?
}
return suggestions;
}
public Gee.List<MessageItem> match_messages(string query, int offset = -1) {
Gee.List<MessageItem> ret = new ArrayList<MessageItem>();
QueryBuilder rows = prepare_search(query, true).limit(10);
if (offset > 0) {
rows.offset(offset);
}
foreach (Row row in rows) {
Message message = new Message.from_row(db, row);
Conversation? conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation_for_message(message);
ret.add(new MessageItem(message, conversation, row[db.content.id]));
}
return ret;
}
public int count_match_messages(string query) {
return (int)prepare_search(query, false).select({db.message.id}).count();
}
}
public class SearchSuggestion : Object {
public Account account { get; private set; }
public Jid? jid { get; private set; }
public string completion { get; private set; }
public int start_index { get; private set; }
public int end_index { get; private set; }
public long order { get; set; }
public SearchSuggestion(Account account, Jid? jid, string completion, int start_index, int end_index) {
this.account = account;
this.jid = jid;
this.completion = completion;
this.start_index = start_index;
this.end_index = end_index;
}
}
}
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