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67 lines
1.7 KiB
67 lines
1.7 KiB
4 years ago
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#!/usr/bin/env bash
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assignTags(){
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local filename
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local tags
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local tagIDs
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local tagIDsOr
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local fileID
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filename="$(findFile "$1")"
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[ ! -e "$filename" ] && exit 1
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tags="$(cat - | sed '/^$/d')"
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fileID="$(findFileId "$filename")"
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# If there are tags
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if [ -n "$tags" ]; then
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local values
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local orlist
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while read -r line; do
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values+=",('$(safeSQL "$line")')"
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orlist+=" OR name = '$(safeSQL "$line")'"
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done <<<"$(echo "$tags")"
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values="$(echo "$values" | sed 's/^,//')"
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orlist="$(echo "$orlist" | sed 's/^ OR //')"
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# Ensure that all the tags exist
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echo "INSERT INTO tags (name) VALUES $values
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EXCEPT SELECT name FROM tags;" |
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sqlite3 "${sqliteFile}"
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# Get the tag ids we need to assosiate with the current file
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tagIDs="$(echo "SELECT id FROM tags WHERE $orlist" |
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sqlite3 "${sqliteFile}")"
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#Loop through them all
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while read -r tagID; do
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tagIDsOr+=" OR tagID = $(safeSQL "$tagID")"
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# Check the tag is already linkded with the file
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local existing
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existing="$(echo "SELECT id FROM links
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WHERE itemID = $(safeSQL "$fileID")
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AND tagID = $(safeSQL "$tagID")" |
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sqlite3 "${sqliteFile}"
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)"
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# If not, add a link
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if [ -z "$existing" ]; then
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echo "INSERT INTO links (itemID,tagID)
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VALUES ($(safeSQL "$fileID"),$(safeSQL "$tagID"))" |
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sqlite3 "${sqliteFile}"
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fi
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done <<<"$(echo "$tagIDs")"
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tagIDsOr="$(echo "$tagIDsOr" | sed 's/^ OR //')"
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# Delete any links that are not in the list
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echo "DELETE FROM links
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WHERE itemID = $(safeSQL "$fileID")
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AND NOT ( $tagIDsOr )" |
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sqlite3 "${sqliteFile}"
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else # If there are no tags, simply delete any that are referenced
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echo "DELETE FROM links WHERE itemID = '$(safeSQL "$fileID")'" |
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sqlite3 "${sqliteFile}"
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fi
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}
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