summaryrefslogtreecommitdiffstats
path: root/scripts/build_content.sh
blob: 298291da8ce143b7088bbbbd2fbf9211b49717c6 (plain) (blame)
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
#!/bin/bash

CONTENT_DIR="content/"
TEMPLATES_DIR="templates/"
OUTPUT_DIR="output/"

target_filename () {
    filename=$1
    filename=${filename#"$CONTENT_DIR"}
    if [ "${filename##*.}" = "md" ]; then
        filename="${filename%.md}.html"
    fi
    echo "$OUTPUT_DIR$filename"
}

target_url_rel () {
    basedir=$1
    filename=$2
    filename=$(realpath --relative-to="$basedir" "$filename")
    filename="${filename%.md}.html"
    if [ "${filename##*/}" = "index.html" ]; then
        filename=${filename%index.html}
    fi
    echo "$filename"
}

target_url_abs () {
    url=$(target_url_rel "$CONTENT_DIR" "$1")
    echo "/$url"
}

get_section() {
    filename=$1
    filename=${filename#"$CONTENT_DIR"}
    filename=${filename%.md}
    filename=$(echo "$filename" | cut -f1 -d /)
    echo "$filename"
}

get_subpages_basedir() {
    filename=$1
    if [ "${filename##*/}" = "index.md" ]; then
        filename=$(dirname "$filename")
    fi
    echo "$filename"
}

get_subpages() {
    basedir=$(get_subpages_basedir "$1")
    child_pages=()

    if [ -d "$basedir" ]; then
        mapfile -d $'\0' child_pages_1 < <(find $basedir/ \
            -type f \
            -name "*.md" ! -name "index.md" \
            -maxdepth 1 \
            -print0)

        mapfile -d $'\0' child_pages_2 < <(find $basedir/ \
            -type f \
            -name "index.md" \
            -mindepth 2 \
            -maxdepth 2 \
            -print0)

        child_pages=("${child_pages_1[@]}" "${child_pages_2[@]}")
    fi

    if [ ${#child_pages[@]} -ne 0 ]; then
        #echo -e "\033[0;90m[////////]\033[0m Child pages:"

        collected_metadata="[]"

        for file in "${child_pages[@]}"; do
            #echo -e "\033[0;90m[////////]\033[0m   -  $file"

            url_rel=$(target_url_rel "$basedir" "$file")
            url_abs=$(target_url_abs "$file")

            metadata=$(pandoc "$file" \
                -f markdown \
                -t plain \
                --template scripts/metadata_tpl.json)

            metadata=$(echo "$metadata" | jq ". + { url_rel: \"$url_rel\", url_abs: \"$url_abs\" }")

            collected_metadata=$(echo "$collected_metadata" | jq ". + [ $metadata ]")
        done

        collected_metadata=$(echo "$collected_metadata" | jq "sort_by(.date) | reverse")

        echo "{ \"pages\": $collected_metadata }" | jq .
    fi
}

handle () {
    target=$(target_filename "$1")

    mkdir -p $(dirname "$target")

    if [ "${1#*.}" = "md" ]; then
        echo -e "\033[0;32m[COMPILE ]\033[0m $1 -> $target"

        is_home=false
        section=$(get_section "$1")

        if [ "$target" = "${OUTPUT_DIR}index.html" ]; then
            is_home=true
        fi

        subpages_meta_file=$(mktemp)

        echo "$(get_subpages "$1")" > "$subpages_meta_file"

        pandoc "$1" \
            -f markdown \
            -t html5 \
            --template "${TEMPLATES_DIR}base.html" \
            -o "$target" \
            --metadata "ishome"=$is_home \
            --metadata section=$section \
            --metadata "is$section" \
            --metadata-file metadata/metadata.yaml \
            --metadata-file "$subpages_meta_file"

        rm "$subpages_meta_file"
    else
        echo -e "\033[0;32m[COPY    ]\033[0m $1 -> $target"

        cp "$1" "$target"
    fi
}

if [ -z "$1" ]; then
    find "$CONTENT_DIR" \
        -type f \
        | while read file
            do
                handle "$file"
            done
elif [ "$1" = "all_md" ]; then
    find "$CONTENT_DIR" \
        -type f \
        -name "*.md" \
        | while read file
            do
                handle "$file"
            done
elif [ "$1" = "single" ]; then
    if [ -z "$2" ]; then
        echo -e "\033[0;31m[ERROR   ]\033[0m \"single\" operation requires file argument"
    else
        handle "$2"
    fi
elif [ "$1" = "delete" ]; then
    if [ -z "$2" ]; then
        echo -e "\033[0;31m[ERROR   ]\033[0m \"delete\" operation requires file argument"
    else
        TARGET=$(target_filename "$2")
        echo -e "\033[0;32m[DELETE  ]\033[0m $2 -> $TARGET"
        rm -rf $TARGET
    fi
else
    echo -e "\033[0;31m[ERROR   ]\033[0m Unknown operation: \"$1\""
fi