{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Find person"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Person"
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. autofunction:: metacatalog.api.find_person"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Role"
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. autofunction:: metacatalog.api.find_role"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Associations"
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. note::\n",
    "\n",
    "    Persons are not directly bound to an :class:`Entry <metacatalog.models.Entry>`. They are related by an association that have to be further described by the type of contribution to the :class:`Entry <metacatalog.models.Entry>`. Therefore, if an :class:`Entry <metacatalog.models.Entry>` is deleted, the :class:`Person <metacatalog.models.Person>` will persist.\n",
    "    Finally, you can't search for contributions directly, you either have to find a Person and load the associated entries, or you need to find an entry and load the contributors."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Alfred, E. Neumann <ID=2> as author for Entry <ID=18>\n",
      "Alfred, E. Neumann <ID=2> as author for Entry <ID=19>\n",
      "Alfred, E. Neumann <ID=2> as author for Entry <ID=20>\n"
     ]
    }
   ],
   "source": [
    "from metacatalog import api\n",
    "session = api.connect_database()\n",
    "\n",
    "# get the person\n",
    "alfred =api.find_person(session, id=2)[0]\n",
    "\n",
    "for assoc in alfred.entries:\n",
    "    print(assoc)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "First author: Alfred, E. Neumann <ID=2>\n",
      "all authors:  Alfred, E. Neumann <ID=2>\n",
      "Alfred, E. Neumann <ID=2> as author for Entry <ID=20>\n"
     ]
    }
   ],
   "source": [
    "# now starting from the entry side\n",
    "entry = api.find_entry(session, id=20)[0]\n",
    "\n",
    "print('First author:', str(entry.author))\n",
    "print('all authors: ', ', '.join([str(a) for a in entry.authors]))\n",
    "for assoc in entry.contributors:\n",
    "    print(assoc)"
   ]
  }
 ],
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