search.py

# ##### BEGIN GPL LICENSE BLOCK #####
#
#  This program is free software; you can redistribute it and/or
#  modify it under the terms of the GNU General Public License
#  as published by the Free Software Foundation; either version 2
#  of the License, or (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software Foundation,
#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####


if "bpy" in locals():
    from importlib import reload

    paths = reload(paths)
    utils = reload(utils)
    categories = reload(categories)
    ui = reload(ui)
    bkit_oauth = reload(bkit_oauth)
    version_checker = reload(version_checker)
    tasks_queue = reload(tasks_queue)
    rerequests = reload(rerequests)
else:
    from blenderkit import paths, utils, categories, ui, bkit_oauth, version_checker, tasks_queue, rerequests

import blenderkit
from bpy.app.handlers import persistent

from bpy.props import (  # TODO only keep the ones actually used when cleaning
    IntProperty,
    FloatProperty,
    FloatVectorProperty,
    StringProperty,
    EnumProperty,
    BoolProperty,
    PointerProperty,
)
from bpy.types import (
    Operator,
    Panel,
    AddonPreferences,
    PropertyGroup,
    UIList
)

import requests, os, random
import time
import threading
import tempfile
import json
import bpy

search_start_time = 0
prev_time = 0


def check_errors(rdata):
    if rdata.get('statusCode') == 401:
        utils.p(rdata)
        if rdata.get('detail') == 'Invalid token.':
            user_preferences = bpy.context.preferences.addons['blenderkit'].preferences
            if user_preferences.api_key != '':
                if user_preferences.enable_oauth:
                    bkit_oauth.refresh_token_thread()
                return False, rdata.get('detail')
            return False, 'Missing or wrong api_key in addon preferences'
    return True, ''


search_threads = []
thumb_sml_download_threads = {}
thumb_full_download_threads = {}
reports = ''


def refresh_token_timer():
    ''' this timer gets run every time the token needs refresh. It refreshes tokens and also categories.'''
    utils.p('refresh timer')
    user_preferences = bpy.context.preferences.addons['blenderkit'].preferences
    fetch_server_data()
    categories.load_categories()

    return max(3600, user_preferences.api_key_life - 3600)


@persistent
def scene_load(context):
    wm = bpy.context.window_manager
    fetch_server_data()
    # following doesn't necessarily happen if version isn't checked yet or similar, first run.
    # wm['bkit_update'] = version_checker.compare_versions(blenderkit)
    categories.load_categories()
    if not bpy.app.timers.is_registered(refresh_token_timer):
        bpy.app.timers.register(refresh_token_timer, persistent=True, first_interval=36000)


def fetch_server_data():
    ''' download categories and addon version'''
    if not bpy.app.background:
        user_preferences = bpy.context.preferences.addons['blenderkit'].preferences
        url = paths.BLENDERKIT_ADDON_URL
        api_key = user_preferences.api_key
        # Only refresh new type of tokens(by length), and only one hour before the token timeouts.
        if user_preferences.enable_oauth and \
                len(user_preferences.api_key) < 38 and \
                user_preferences.api_key_timeout < time.time() + 3600:
            bkit_oauth.refresh_token_thread()
        if api_key != '':
            get_profile()
        categories.fetch_categories_thread(api_key)


@bpy.app.handlers.persistent
def timer_update():  # TODO might get moved to handle all blenderkit stuff.

    global search_threads
    # don't do anything while dragging - this could switch asset type during drag, and make results list length different,
    # causing a lot of throuble literally.
    if len(search_threads) == 0 or bpy.context.scene.blenderkitUI.dragging:
        return 1
    for thread in search_threads:  # TODO this doesn't check all processes when one gets removed,
                                   # but most of the time only one is running anyway
        if not thread[0].is_alive():
            search_threads.remove(thread)  #
            icons_dir = thread[1]
            scene = bpy.context.scene
            # these 2 lines should update the previews enum and set the first result as active.
            s = bpy.context.scene
            asset_type = thread[2]
            if asset_type == 'model':
                props = scene.blenderkit_models
                json_filepath = os.path.join(icons_dir, 'model_searchresult.json')
                search_name = 'bkit model search'
            if asset_type == 'scene':
                props = scene.blenderkit_scene
                json_filepath = os.path.join(icons_dir, 'scene_searchresult.json')
                search_name = 'bkit scene search'
            if asset_type == 'material':
                props = scene.blenderkit_mat
                json_filepath = os.path.join(icons_dir, 'material_searchresult.json')
                search_name = 'bkit material search'
            if asset_type == 'brush':
                props = scene.blenderkit_brush
                json_filepath = os.path.join(icons_dir, 'brush_searchresult.json')
                search_name = 'bkit brush search'

            s[search_name] = []

            global reports
            if reports != '':
                props.report = str(reports)
                return .2
            with open(json_filepath, 'r') as data_file:
                rdata = json.load(data_file)

            result_field = []
            ok, error = check_errors(rdata)
            if ok:

                for r in rdata['results']:
                    # TODO remove this fix when filesSize is fixed.
                    # this is a temporary fix for too big numbers from the server.
                    try:
                        r['filesSize'] = int(r['filesSize'] / 1024)
                    except:
                        utils.p('asset with no files-size')
                    if r['assetType'] == asset_type:
                        if len(r['files']) > 0:
                            furl = None
                            tname = None
                            allthumbs = []
                            durl, tname = None, None
                            for f in r['files']:
                                if f['fileType'] == 'thumbnail':
                                    tname = paths.extract_filename_from_url(f['fileThumbnailLarge'])
                                    small_tname = paths.extract_filename_from_url(f['fileThumbnail'])
                                    allthumbs.append(tname)  # TODO just first thumb is used now.

                                tdict = {}
                                for i, t in enumerate(allthumbs):
                                    tdict['thumbnail_%i'] = t
                                if f['fileType'] == 'blend':
                                    durl = f['downloadUrl'].split('?')[0]
                                    # fname = paths.extract_filename_from_url(f['filePath'])
                            if durl and tname:

                                tooltip = generate_tooltip(r)
                                asset_data = {'thumbnail': tname,
                                              'thumbnail_small': small_tname,
                                              # 'thumbnails':allthumbs,
                                              'download_url': durl,
                                              'id': r['id'],