1 files changed, 99 insertions, 0 deletions
diff --git a/scripts/assert-content.sh b/scripts/assert-content.sh
new file mode 100755
index 0000000..f9ea345
--- /dev/null
+++ b/scripts/assert-content.sh
@@ -0,0 +1,99 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+JSON="${1:-}"
+[[ -z "${JSON}" ]] && {
+  echo 'Missing input JSON file.'
+  exit 2
+}
+
+contains-element() {
+  local e match="$1"
+  shift
+  for e; do [[ "$e" == "$match" ]] && return 0; done
+  return 1
+}
+
+fail-attr() {
+  ATTRIBUTE="${1}"
+  URL="${2}"
+  red "Undefined '${ATTRIBUTE}' for ${URL}." >&2
+  exit 1
+}
+
+get-lang() {
+  echo "${1}" | base64 --decode | jq -r .lang
+}
+
+get-ref() {
+  echo "${1}"  | base64 --decode | jq -r .ref
+}
+
+get-url() {
+  echo "${1}"  | base64 --decode | jq -r .url
+}
+
+get-date() {
+  echo "${1}"  | base64 --decode | jq -r .date
+}
+
+LANGS=(en pt)
+assert-frontmatter() {
+  F="${1}"
+  LANG="$(get-lang "$F")"
+  REF="$(get-ref "$F")"
+  URL="$(get-url "$F")"
+  [[ -z "${LANG}" ]] && fail-attr 'lang' "${URL}"
+  [[ -z "${REF}" ]]  && fail-attr 'ref'  "${URL}"
+  if ! contains-element "${LANG}" "${LANGS[@]}"; then
+    red "Invalid lang '${LANG}' in ${URL}." >&2
+    exit 1
+  fi
+}
+
+echo Linting posts... >&2
+for post in $(jq -r '.posts[] | @base64' "${JSON}"); do
+  assert-frontmatter "$post"
+  DATE="$(get-date "$post" | awk '{print $1}')"
+  URL="$(basename "$(get-url "$post")")"
+  FILE="_posts/${DATE}-${URL%.html}.md"
+
+  [[ -f "${FILE}" ]] || {
+    red "date/filename mismatch: '${FILE}' does not exist."
+    exit 1
+  }
+done
+
+echo Linting pages... >&2
+IGNORED_PAGES=(/site.json /sitemap.xml /rss.xml /atom.xml /feed.atom /feed.xml /feed.all.atom /feed.en.atom /feed.pt.atom)
+for page in $(jq -r '.pages[] | @base64' "${JSON}"); do
+  URL="$(get-url "$page")"
+  if ! contains-element "${URL}" "${IGNORED_PAGES[@]}"; then
+    assert-frontmatter "${page}"
+  fi
+done
+
+echo Linting pastebins... >&2
+for pastebin in $(jq -r '.pastebins[] | @base64' "${JSON}"); do
+  assert-frontmatter "$pastebin"
+done
+
+echo Asserting unique refs... >&2
+KNOWN_IDS=()
+for page in $(jq -r '.pages[] | @base64' "${JSON}"); do
+  URL="$(get-url "$page")"
+  if ! contains-element "${URL}" "${IGNORED_PAGES[@]}"; then
+    LANG="$(get-lang "$page")"
+    REF="$(get-ref "$page")"
+    ID="${LANG}:${REF}"
+
+    if contains-element "${ID}" "${KNOWN_IDS[@]}"; then
+      red "Duplicated lang:ref match: '${ID}'." >&2
+      exit 1
+    fi
+
+    KNOWN_IDS+=("${ID}") # printf '%s\n' "${KNOWN_IDS[@]}"
+  fi
+done
+
+echo Done. >&2