From c5e9a5bc9355c875052da765cb61ca81ac2956ad Mon Sep 17 00:00:00 2001
From: Jaidyn Ann <10477760+JadedCtrl@users.noreply.github.com>
Date: Wed, 3 Apr 2024 18:30:56 -0500
Subject: [PATCH] Support rendering of user-URLs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

That is, rendering recent posts from a user’s
profile!
---
 fedi2html.sh | 118 +++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 101 insertions(+), 17 deletions(-)

diff --git a/fedi2html.sh b/fedi2html.sh
index 821e73e..533fda8 100755
--- a/fedi2html.sh
+++ b/fedi2html.sh
@@ -65,10 +65,18 @@ render_post() {
 	local responses_data="$2"
 	local POST_TREE_LEVEL="$3"
 
-	local ACCOUNT_URL="$(echo "$post_data"    | jq -r .account.url)"
-	local ACCOUNT_ID="$(echo "$post_data"     | jq -r .account.fqn)"
-	local ACCOUNT_NAME="$(echo "$post_data"   | jq -r .account.display_name | replace_emojis "$(echo "$post_data" | jq -r '.account')")"
-	local ACCOUNT_AVATAR="$(echo "$post_data" | jq -r .account.avatar)"
+	local reblog=""
+	local acct_data="$(echo "$post_data" | jq -r .reblog.account)"
+	if test "$acct_data" = "null"; then
+		acct_data="$(echo "$post_data" | jq -r .account)"
+	else
+		reblog="1"
+	fi
+
+	local ACCOUNT_URL="$(echo "$acct_data"    | jq -r .url)"
+	local ACCOUNT_ID="$(echo "$acct_data"     | jq -r .fqn)"
+	local ACCOUNT_NAME="$(echo "$acct_data"   | jq -r .display_name | replace_emojis "$acct_data")"
+	local ACCOUNT_AVATAR="$(echo "$acct_data" | jq -r .avatar)"
 	local POST_URL="$(echo "$post_data"       | jq -r .url)"
 	local POST_DATE="$(echo "$post_data"      | jq -r .created_at)"
 	local POST_CONTENT="$(echo "$post_data"   | jq -r .content | replace_emojis "$post_data")"
@@ -150,7 +158,7 @@ media_attachments() {
 # Pass a post’s context JSON along stdin; out comes the response_data in JSON.
 #     fetch_post_context $url | context_to_responses
 context_to_responses() {
-	jq '.descendants' \
+	jq '.descendants' 2> /dev/null \
 		| jq 'sort_by(.created_at)' \
 		| maybe_jq_reverse \
 		| jq -cr '.[]'
@@ -166,10 +174,10 @@ statuses_api_request() {
 		api_request="/$api_request"
 	fi
 
-	local id="$(url_id "$url")"
-	local server="$(url_server "$url")"
+	local id="$(url_post_id "$post_url")"
+	local server="$(url_server "$post_url")"
 	curl --location --header 'Accept: application/json,application/activity+json' \
-		 "$server/api/v1/statuses/${id}${api_request}"
+		 "${server}/api/v1/statuses/${id}${api_request}"
 }
 
 
@@ -177,7 +185,8 @@ statuses_api_request() {
 #     fetch_post_context $url
 fetch_post_context() {
 	local url="$1"
-	statuses_api_request "$url" "context"
+	statuses_api_request "$url" "context" \
+		| context_to_responses
 }
 
 
@@ -189,18 +198,50 @@ fetch_post() {
 }
 
 
+# Given a user-account URL, request JSON of its posts.
+#     fetch_post $url
+fetch_user_posts() {
+	local url="$1"
+	local server="$(url_server "$url")"
+	curl --location --header 'Accept: application/json,application/activity+json' \
+		 "$server/api/v1/accounts/$(url_user_id "$url")/statuses?exclude_reblogs" \
+		 | jq -c '.[]'
+}
+
+
+# Return the ID of a user, based on its URL.
+#     url_user_id $url
+url_user_id() {
+	local url="$1"
+	# Pleroma-style URLs: https://jam.xwx.moe/users/Tirifto
+	# Mastodon-style URLs: https://esperanto.masto.host/@jubiloEO
+	if echo "$url" | grep "/users/" > /dev/null; then
+		echo "$url" \
+			| sed 's%.*/users/%%'
+	elif echo "$url" | grep -E "/@[[:alnum:]]+[/]*$" > /dev/null; then
+		echo "$url" \
+			| sed 's%.*/@%%' \
+			| sed 's%/$%%'
+	else
+		return 1
+	fi
+}
+
+
 # Return the ID of a post, based on its URL.
-#     url_id $url
-url_id() {
+#     url_post_id $url
+url_post_id() {
 	local url="$1"
 	# Pleroma-style URLs:  https://jam.xwx.moe/notice/Ac6PIZAP0ZzkMTYBBg
 	# Mastodon-style URLs: https://esperanto.masto.host/@minjo/111461250815264185
 	if echo "$url" | grep "/notice/" > /dev/null; then
 		echo "$url" \
 			| sed 's%.*/notice/%%'
-	else
+	elif echo "$url" | grep -E "/@[[:alnum:]]+/[[:digit:]]+" > /dev/null; then
 		echo "$url" \
 			| sed 's%.*/@[[:alnum:]]*/%%'
+	else
+		return 1
 	fi
 }
 
@@ -255,6 +296,44 @@ maybe_jq_reverse() {
 }
 
 
+# Render a user’s posts, one-by-one, taking into account cli arguments.
+#    handle_user_url https://jam.xwx.moe/users/tirifto
+handle_user_url() {
+	local url="$1"
+	local user_posts="$(fetch_user_posts "$url")"
+	local IFS="
+"
+	echo "$user_posts" >  jadedctrl.json
+	for post in $user_posts; do
+		local url="$(echo "$post" | jq -r '.url')"
+		if test -z "$NO_RESPONSES"; then
+			context="$(fetch_post_context "$url")"
+			if test -n "$NO_PARENT"; then
+				render_responses "$post" "$context" 0
+			else
+				render_post "$post" "$context" 0
+			fi
+		else
+			render_post "$post" "" 0
+		fi
+	done
+}
+
+
+# Render a post and/or its responses, taking into account cli arguments.
+handle_post_url() {
+	local url="$1"
+	local post="$(fetch_post "$url")"
+	local context="$(fetch_post_context "$url")"
+
+	if test -n "$NO_PARENT"; then
+		render_responses "$post" "$context" 0
+	else
+		render_post "$post" "$context" 0
+	fi
+}
+
+
 usage() {
 	echo "usage: $(basename "$0") [-h] [-IR] POST_URL"
 	echo
@@ -304,12 +383,17 @@ if test -z "$URL"; then
 fi
 
 
-POST="$(fetch_post "$URL")"
-RESPONSES="$(fetch_post_context "$URL" | context_to_responses)"
 
-if test -n "$NO_PARENT"; then
-	render_responses "$POST" "$RESPONSES" 0
+
+USER_ID="$(url_user_id "$URL")"
+POST_ID="$(url_post_id "$URL")"
+if test -n "$POST_ID"; then
+	echo "POST"
+	handle_post_url "$URL"
+elif test -n "$USER_ID"; then
+	handle_user_url "$URL"
 else
-	render_post "$POST" "$RESPONSES" 0
+	echo "That URL is not recognized as a post or user URL." 1>&2
+	exit 3
 fi