mirror of
https://github.com/cwinfo/matterbridge.git
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381 lines
10 KiB
Go
381 lines
10 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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package model
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import (
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"net/http"
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"regexp"
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"strings"
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"time"
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)
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var searchTermPuncStart = regexp.MustCompile(`^[^\pL\d\s#"]+`)
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var searchTermPuncEnd = regexp.MustCompile(`[^\pL\d\s*"]+$`)
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type SearchParams struct {
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Terms string
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ExcludedTerms string
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IsHashtag bool
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InChannels []string
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ExcludedChannels []string
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FromUsers []string
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ExcludedUsers []string
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AfterDate string
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ExcludedAfterDate string
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BeforeDate string
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ExcludedBeforeDate string
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OnDate string
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ExcludedDate string
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OrTerms bool
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IncludeDeletedChannels bool
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TimeZoneOffset int
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// True if this search doesn't originate from a "current user".
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SearchWithoutUserId bool
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}
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// Returns the epoch timestamp of the start of the day specified by SearchParams.AfterDate
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func (p *SearchParams) GetAfterDateMillis() int64 {
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date, err := time.Parse("2006-01-02", PadDateStringZeros(p.AfterDate))
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if err != nil {
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date = time.Now()
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}
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// travel forward 1 day
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oneDay := time.Hour * 24
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afterDate := date.Add(oneDay)
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return GetStartOfDayMillis(afterDate, p.TimeZoneOffset)
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}
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// Returns the epoch timestamp of the start of the day specified by SearchParams.ExcludedAfterDate
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func (p *SearchParams) GetExcludedAfterDateMillis() int64 {
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date, err := time.Parse("2006-01-02", PadDateStringZeros(p.ExcludedAfterDate))
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if err != nil {
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date = time.Now()
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}
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// travel forward 1 day
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oneDay := time.Hour * 24
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afterDate := date.Add(oneDay)
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return GetStartOfDayMillis(afterDate, p.TimeZoneOffset)
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}
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// Returns the epoch timestamp of the end of the day specified by SearchParams.BeforeDate
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func (p *SearchParams) GetBeforeDateMillis() int64 {
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date, err := time.Parse("2006-01-02", PadDateStringZeros(p.BeforeDate))
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if err != nil {
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return 0
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}
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// travel back 1 day
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oneDay := time.Hour * -24
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beforeDate := date.Add(oneDay)
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return GetEndOfDayMillis(beforeDate, p.TimeZoneOffset)
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}
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// Returns the epoch timestamp of the end of the day specified by SearchParams.ExcludedBeforeDate
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func (p *SearchParams) GetExcludedBeforeDateMillis() int64 {
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date, err := time.Parse("2006-01-02", PadDateStringZeros(p.ExcludedBeforeDate))
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if err != nil {
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return 0
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}
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// travel back 1 day
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oneDay := time.Hour * -24
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beforeDate := date.Add(oneDay)
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return GetEndOfDayMillis(beforeDate, p.TimeZoneOffset)
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}
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// Returns the epoch timestamps of the start and end of the day specified by SearchParams.OnDate
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func (p *SearchParams) GetOnDateMillis() (int64, int64) {
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date, err := time.Parse("2006-01-02", PadDateStringZeros(p.OnDate))
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if err != nil {
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return 0, 0
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}
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return GetStartOfDayMillis(date, p.TimeZoneOffset), GetEndOfDayMillis(date, p.TimeZoneOffset)
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}
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// Returns the epoch timestamps of the start and end of the day specified by SearchParams.ExcludedDate
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func (p *SearchParams) GetExcludedDateMillis() (int64, int64) {
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date, err := time.Parse("2006-01-02", PadDateStringZeros(p.ExcludedDate))
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if err != nil {
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return 0, 0
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}
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return GetStartOfDayMillis(date, p.TimeZoneOffset), GetEndOfDayMillis(date, p.TimeZoneOffset)
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}
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var searchFlags = [...]string{"from", "channel", "in", "before", "after", "on"}
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type flag struct {
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name string
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value string
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exclude bool
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}
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type searchWord struct {
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value string
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exclude bool
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}
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func splitWords(text string) []string {
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words := []string{}
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foundQuote := false
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location := 0
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for i, char := range text {
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if char == '"' {
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if foundQuote {
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// Grab the quoted section
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word := text[location : i+1]
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words = append(words, word)
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foundQuote = false
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location = i + 1
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} else {
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nextStart := i
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if i > 0 && text[i-1] == '-' {
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nextStart = i - 1
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}
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words = append(words, strings.Fields(text[location:nextStart])...)
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foundQuote = true
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location = nextStart
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}
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}
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}
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words = append(words, strings.Fields(text[location:])...)
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return words
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}
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func parseSearchFlags(input []string) ([]searchWord, []flag) {
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words := []searchWord{}
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flags := []flag{}
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skipNextWord := false
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for i, word := range input {
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if skipNextWord {
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skipNextWord = false
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continue
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}
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isFlag := false
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if colon := strings.Index(word, ":"); colon != -1 {
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var flagName string
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var exclude bool
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if strings.HasPrefix(word, "-") {
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flagName = word[1:colon]
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exclude = true
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} else {
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flagName = word[:colon]
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exclude = false
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}
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value := word[colon+1:]
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for _, searchFlag := range searchFlags {
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// check for case insensitive equality
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if strings.EqualFold(flagName, searchFlag) {
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if value != "" {
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flags = append(flags, flag{
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searchFlag,
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value,
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exclude,
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})
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isFlag = true
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} else if i < len(input)-1 {
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flags = append(flags, flag{
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searchFlag,
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input[i+1],
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exclude,
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})
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skipNextWord = true
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isFlag = true
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}
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if isFlag {
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break
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}
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}
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}
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}
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if !isFlag {
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exclude := false
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if strings.HasPrefix(word, "-") {
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exclude = true
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}
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// trim off surrounding punctuation (note that we leave trailing asterisks to allow wildcards)
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word = searchTermPuncStart.ReplaceAllString(word, "")
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word = searchTermPuncEnd.ReplaceAllString(word, "")
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// and remove extra pound #s
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word = hashtagStart.ReplaceAllString(word, "#")
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if len(word) != 0 {
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words = append(words, searchWord{
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word,
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exclude,
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})
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}
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}
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}
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return words, flags
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}
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func ParseSearchParams(text string, timeZoneOffset int) []*SearchParams {
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words, flags := parseSearchFlags(splitWords(text))
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hashtagTermList := []string{}
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excludedHashtagTermList := []string{}
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plainTermList := []string{}
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excludedPlainTermList := []string{}
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for _, word := range words {
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if validHashtag.MatchString(word.value) {
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if word.exclude {
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excludedHashtagTermList = append(excludedHashtagTermList, word.value)
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} else {
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hashtagTermList = append(hashtagTermList, word.value)
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}
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} else {
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if word.exclude {
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excludedPlainTermList = append(excludedPlainTermList, word.value)
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} else {
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plainTermList = append(plainTermList, word.value)
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}
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}
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}
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hashtagTerms := strings.Join(hashtagTermList, " ")
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excludedHashtagTerms := strings.Join(excludedHashtagTermList, " ")
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plainTerms := strings.Join(plainTermList, " ")
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excludedPlainTerms := strings.Join(excludedPlainTermList, " ")
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inChannels := []string{}
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excludedChannels := []string{}
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fromUsers := []string{}
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excludedUsers := []string{}
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afterDate := ""
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excludedAfterDate := ""
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beforeDate := ""
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excludedBeforeDate := ""
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onDate := ""
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excludedDate := ""
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for _, flag := range flags {
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if flag.name == "in" || flag.name == "channel" {
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if flag.exclude {
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excludedChannels = append(excludedChannels, flag.value)
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} else {
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inChannels = append(inChannels, flag.value)
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}
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} else if flag.name == "from" {
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if flag.exclude {
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excludedUsers = append(excludedUsers, flag.value)
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} else {
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fromUsers = append(fromUsers, flag.value)
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}
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} else if flag.name == "after" {
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if flag.exclude {
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excludedAfterDate = flag.value
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} else {
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afterDate = flag.value
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}
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} else if flag.name == "before" {
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if flag.exclude {
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excludedBeforeDate = flag.value
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} else {
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beforeDate = flag.value
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}
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} else if flag.name == "on" {
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if flag.exclude {
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excludedDate = flag.value
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} else {
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onDate = flag.value
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}
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}
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}
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paramsList := []*SearchParams{}
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if len(plainTerms) > 0 || len(excludedPlainTerms) > 0 {
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paramsList = append(paramsList, &SearchParams{
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Terms: plainTerms,
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ExcludedTerms: excludedPlainTerms,
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IsHashtag: false,
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InChannels: inChannels,
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ExcludedChannels: excludedChannels,
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FromUsers: fromUsers,
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ExcludedUsers: excludedUsers,
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AfterDate: afterDate,
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ExcludedAfterDate: excludedAfterDate,
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BeforeDate: beforeDate,
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ExcludedBeforeDate: excludedBeforeDate,
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OnDate: onDate,
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ExcludedDate: excludedDate,
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TimeZoneOffset: timeZoneOffset,
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})
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}
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if len(hashtagTerms) > 0 || len(excludedHashtagTerms) > 0 {
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paramsList = append(paramsList, &SearchParams{
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Terms: hashtagTerms,
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ExcludedTerms: excludedHashtagTerms,
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IsHashtag: true,
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InChannels: inChannels,
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ExcludedChannels: excludedChannels,
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FromUsers: fromUsers,
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ExcludedUsers: excludedUsers,
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AfterDate: afterDate,
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ExcludedAfterDate: excludedAfterDate,
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BeforeDate: beforeDate,
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ExcludedBeforeDate: excludedBeforeDate,
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OnDate: onDate,
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ExcludedDate: excludedDate,
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TimeZoneOffset: timeZoneOffset,
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})
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}
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// special case for when no terms are specified but we still have a filter
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if len(plainTerms) == 0 && len(hashtagTerms) == 0 &&
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len(excludedPlainTerms) == 0 && len(excludedHashtagTerms) == 0 &&
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(len(inChannels) != 0 || len(fromUsers) != 0 ||
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len(excludedChannels) != 0 || len(excludedUsers) != 0 ||
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len(afterDate) != 0 || len(excludedAfterDate) != 0 ||
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len(beforeDate) != 0 || len(excludedBeforeDate) != 0 ||
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len(onDate) != 0 || len(excludedDate) != 0) {
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paramsList = append(paramsList, &SearchParams{
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Terms: "",
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ExcludedTerms: "",
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IsHashtag: false,
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InChannels: inChannels,
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ExcludedChannels: excludedChannels,
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FromUsers: fromUsers,
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ExcludedUsers: excludedUsers,
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AfterDate: afterDate,
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ExcludedAfterDate: excludedAfterDate,
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BeforeDate: beforeDate,
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ExcludedBeforeDate: excludedBeforeDate,
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OnDate: onDate,
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ExcludedDate: excludedDate,
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TimeZoneOffset: timeZoneOffset,
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})
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}
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return paramsList
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}
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func IsSearchParamsListValid(paramsList []*SearchParams) *AppError {
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// All SearchParams should have same IncludeDeletedChannels value.
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for _, params := range paramsList {
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if params.IncludeDeletedChannels != paramsList[0].IncludeDeletedChannels {
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return NewAppError("IsSearchParamsListValid", "model.search_params_list.is_valid.include_deleted_channels.app_error", nil, "", http.StatusInternalServerError)
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}
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}
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return nil
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}
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