early concept v1

read_registrations.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+set -xue
+
+. ./config.sh
+
+PREV_ID=$(cat "$DEALS_PREV_MESSAGE_ID_FOR_REGISTRATIONS" || echo "")
+
+NEW_PREV_ID_FILE="${DEALS_PREV_MESSAGE_ID_FOR_REGISTRATIONS}.new"
+TEXT_FILE="${DEALS_BASE}/message.txt"
+
+python get_bm_message.py \
+    --to-address "$DEALS_BM_FOR_REGISTRATIONS" \
+    --prev-id "$PREV_ID" \
+    --output-id "$NEW_PREV_ID_FILE" \
+    --output-text "$TEXT_FILE" \
+    --from-address /dev/null
+
+if [ ! -f "$NEW_PREV_ID_FILE" ]; then
+    echo "No new messages"
+    exit 0
+fi
+
+NAME=$(grep "name: " "$TEXT_FILE" | sed "s/^name: //" || echo "")
+
+if [ "$NAME" == "" ]; then
+    echo "Failed to parse registration message"
+else
+    if ! ( echo "$NAME" | egrep --quiet '^[a-zA-Z0-9_]{3,10}$' ) ; then
+        echo "Name ${NAME} is not acceptable"
+    else
+        mkdir -p "$DEALS_REG_DB_ROOT"
+        DB_FILE="${DEALS_REG_DB_ROOT}/${NAME}"
+
+        if [ -f "$DB_FILE" ]; then
+            echo "User ${NAME} already exists"
+        else
+            echo "Registering user ${NAME}"
+            mv "$TEXT_FILE" "$DB_FILE"
+        fi
+    fi
+fi
+
+mv "$NEW_PREV_ID_FILE" "$DEALS_PREV_MESSAGE_ID_FOR_REGISTRATIONS"