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
|
// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package model
import (
"strings"
)
type SearchParams struct {
Terms string
IsHashtag bool
InChannels []string
FromUsers []string
}
var searchFlags = [...]string{"from", "channel", "in"}
func splitWords(text string) []string {
words := []string{}
for _, word := range strings.Fields(text) {
word = puncStart.ReplaceAllString(word, "")
word = puncEnd.ReplaceAllString(word, "")
if len(word) != 0 {
words = append(words, word)
}
}
return words
}
func parseSearchFlags(input []string) ([]string, [][2]string) {
words := []string{}
flags := [][2]string{}
skipNextWord := false
for i, word := range input {
if skipNextWord {
skipNextWord = false
continue
}
isFlag := false
if colon := strings.Index(word, ":"); colon != -1 {
flag := word[:colon]
value := word[colon+1:]
for _, searchFlag := range searchFlags {
// check for case insensitive equality
if strings.EqualFold(flag, searchFlag) {
if value != "" {
flags = append(flags, [2]string{searchFlag, value})
isFlag = true
} else if i < len(input)-1 {
flags = append(flags, [2]string{searchFlag, input[i+1]})
skipNextWord = true
isFlag = true
}
if isFlag {
break
}
}
}
}
if !isFlag {
words = append(words, word)
}
}
return words, flags
}
func ParseSearchParams(text string) []*SearchParams {
words, flags := parseSearchFlags(splitWords(text))
hashtagTermList := []string{}
plainTermList := []string{}
for _, word := range words {
if validHashtag.MatchString(word) {
hashtagTermList = append(hashtagTermList, word)
} else {
plainTermList = append(plainTermList, word)
}
}
hashtagTerms := strings.Join(hashtagTermList, " ")
plainTerms := strings.Join(plainTermList, " ")
inChannels := []string{}
fromUsers := []string{}
for _, flagPair := range flags {
flag := flagPair[0]
value := flagPair[1]
if flag == "in" || flag == "channel" {
inChannels = append(inChannels, value)
} else if flag == "from" {
fromUsers = append(fromUsers, value)
}
}
paramsList := []*SearchParams{}
if len(plainTerms) > 0 {
paramsList = append(paramsList, &SearchParams{
Terms: plainTerms,
IsHashtag: false,
InChannels: inChannels,
FromUsers: fromUsers,
})
}
if len(hashtagTerms) > 0 {
paramsList = append(paramsList, &SearchParams{
Terms: hashtagTerms,
IsHashtag: true,
InChannels: inChannels,
FromUsers: fromUsers,
})
}
// special case for when no terms are specified but we still have a filter
if len(plainTerms) == 0 && len(hashtagTerms) == 0 {
paramsList = append(paramsList, &SearchParams{
Terms: "",
IsHashtag: true,
InChannels: inChannels,
FromUsers: fromUsers,
})
}
return paramsList
}
|
