update backend setup script

backend_lib.sh

@@ -0,0 +1,52 @@
+. bash_library.sh # source bash_library.sh
+
+function install_backend_system_dep {
+    log "install base debian-packaged-dep for backend..."
+    sudo apt update
+    sudo apt install -y python3 python3-venv python3-dev python3-pip
+    sudo apt install -y redis-server
+
+    log "install deps for dealing with most preview..."
+    sudo apt install -y zlib1g-dev libjpeg-dev
+    sudo apt install -y imagemagick libmagickwand-dev ghostscript
+    sudo apt install -y libreoffice # most office documents file and text format
+    sudo apt install -y inkscape # for .svg files.
+}
+
+function setup_pyenv {
+   log "setup python3 env.."
+   python3 -m venv env
+   source env/bin/activate
+}
+
+function install_backend_python_packages {
+    pip install --upgrade pip setuptools
+
+    log "install tracim-backend (sqlite_backend)..."
+    pip install -e ".[testing]"
+}
+
+function setup_config_file {
+    log "configure tracim with default conf..."
+    if [ ! -f development.ini ]; then
+       log "generate missing development.ini ..."
+       cp development.ini.sample development.ini
+    fi
+
+    if [ ! -f wsgidav.conf ]; then
+       log "generate missing wsgidav.conf ..."
+       cp wsgidav.conf.sample wsgidav.conf
+    fi
+}
+
+function setup_db {
+    result=$(alembic -c development.ini current)
+    if [ $? -eq 0 ] && [ ! "$result" == '' ]; then
+       log "check database migration..."
+       alembic -c development.ini upgrade head
+    else
+       log "database seems missing, init it..."
+       tracimcli db init
+       alembic -c development.ini stamp head
+    fi
+}

setup_default_backend.sh

@@ -1,32 +1,17 @@
-#!/usr/bin/bash
+#!/bin/bash
 . bash_library.sh # source bash_library.sh
+. backend_lib.sh # source backend_lib.sh
 
-log "install base debian-packaged-dep for backend..."
-sudo apt update
-sudo apt install python3 python3-venv python3-dev python3-pip
-sudo apt install redis-server
-
-log "install deps for dealing with most preview..."
-sudo apt install zlib1g-dev libjpeg-dev
-sudo apt install imagemagick libmagickwand-dev ghostscript
-sudo apt install libreoffice # most office documents file and text format
-sudo apt install inkscape # for .svg files.
+install_backend_system_deb
 
 log "go to backend subdir.."
 cd backend || exit 1;
 
-log "setup python3 env.."
-python3 -m venv env
-source env/bin/activate
-pip install --upgrade pip setuptools
-
-log "install tracim-backend (sqlite_backend)..."
-pip install -e ".[testing]"
-
 
-log "configure tracim with default conf..."
-cp development.ini.sample development.ini
-cp wsgidav.conf.sample wsgidav.conf
-tracimcli db init
+install_backend_system_dep
+setup_pyenv
+install_backend_python_packages
+setup_config_file
+setup_db
 
 log "backend of tracim was correctly set-up."