From 77eabbc0eee19483bda18f1adca574bcdbbaef87 Mon Sep 17 00:00:00 2001
From: winterb <winterb@uni-greifswald.de>
Date: Mon, 11 Mar 2024 16:10:59 +0100
Subject: [PATCH] v1.4.0 added pagination (server defines max-limit)

---
 migrate_assignments.sh | 40 ++++++++++++++++++++++++++++++++++------
 1 file changed, 34 insertions(+), 6 deletions(-)

diff --git a/migrate_assignments.sh b/migrate_assignments.sh
index 37c5587..bda1884 100755
--- a/migrate_assignments.sh
+++ b/migrate_assignments.sh
@@ -11,7 +11,7 @@ set -eu
 
 readonly PROGNAME=`/usr/bin/basename $0`
 readonly PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
-readonly REVISION="1.3.2"
+readonly REVISION="1.4.0"
 
 repo=""
 login_old=""
@@ -23,7 +23,7 @@ use_colour=true
 #
 # FUNCTIONS
 #
-print_help()
+print_help ()
 {
 echo "--- $PROGNAME $REVISION"
 cat << "EOF"
@@ -81,7 +81,7 @@ USAGE
 EOF
 }
 
-error_in_or_out_not_specified()
+error_in_or_out_not_specified ()
 {
     echo -e "Error: --repo, --login_old and --login_new must be specified\n";
     print_help;
@@ -89,11 +89,38 @@ error_in_or_out_not_specified()
 }
 
 # @param $1 "command"     → the command to check for
-checkCommand()
+checkCommand ()
 {
     command -v "$1" >/dev/null 2>&1 || { echo >&2 "Command ${1} is required but it's not installed. Aborting."; exit 42; }
 }
 
+# collects all data from the given gitea instance+repo,
+# uses pagination to really get all data (limit may be set by the server)
+# get_all_data_from_gitea "$login_old" "$repo"
+get_all_data_from_gitea ()
+{
+    local readonly l="$1"
+    local readonly r="$2"
+
+    local _collect=""
+    local _page=1
+    while true; do
+        # get data from repo and remove [ and ]
+        local _tmp=$(tea issues list --output json --login "$l" --repo "$r" --state all --limit 100 --fields index,author,assignees --page $_page | sed 's/\[//g' | sed 's/\]//g')
+        if [[ $(echo "[$_tmp]" | jq length) -eq 0 ]]; then
+            break
+        fi
+        if [[ -z "$_collect" ]] then
+            _collect="$_tmp"
+        else
+            _collect="$_collect,$_tmp"
+        fi
+        _page=$(($_page+1));
+    done
+    echo "[$_collect]"
+    return 0;
+}
+
 #
 # PARAMETERS
 #
@@ -159,8 +186,9 @@ checkCommand tr
 
 # check access and get data
 echo "# checking access to OLD (\"$login_old\") and NEW (\"$login_new\")"
-readonly json_old=$(tea issues list --output json --login "$login_old" --repo "$repo" --state all --limit 99999 --fields index,author,assignees)
-readonly json_new=$(tea issues list --output json --login "$login_new" --repo "$repo" --state all --limit 99999 --fields index,author,assignees)
+
+readonly json_old=$(get_all_data_from_gitea "$login_old" "$repo")
+readonly json_new=$(get_all_data_from_gitea "$login_new" "$repo")
 
 echo "# running consistency checks"
 readonly json_old_ids=$(echo "$json_old" | jq ".[] | .index" | sort -n)