From c937501a1ee4902b00b3ed0c41b7249be912a529 Mon Sep 17 00:00:00 2001
From: Brian Bjarke Jensen <bbj@skov.dk>
Date: Fri, 1 Mar 2024 16:55:19 +0100
Subject: [PATCH] defined instagram interface

---
 image_download/classes.py | 101 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 image_download/classes.py

diff --git a/image_download/classes.py b/image_download/classes.py
new file mode 100644
index 0000000..53c2cf8
--- /dev/null
+++ b/image_download/classes.py
@@ -0,0 +1,101 @@
+from __future__ import annotations
+
+import logging
+
+from selenium import webdriver
+from selenium.webdriver.chrome.service import Service
+from selenium.webdriver.common.action_chains import ActionChains
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support import expected_conditions
+from selenium.webdriver.support.wait import WebDriverWait
+from webdriver_manager.chrome import ChromeDriverManager
+
+
+class Instagram:
+    """Interface for interacting with Instagram."""
+
+    def __init__(self):
+        self.webdriver = None
+        self.actiondriver = None
+
+    def setup(self) -> None:
+        """Setup connection to Selenium and Instagram."""
+        driver = webdriver.Chrome(
+            service=Service(
+                ChromeDriverManager().install(),
+            ),
+        )
+        self.webdriver = driver
+        self.actiondriver = ActionChains(self.webdriver)
+
+    def close(self) -> None:
+        self.webdriver.close()
+
+    # def load_post(self, url: str) -> None:
+    #     """Load post webpage."""
+    #     logging.debug("getting %s", url)
+    #     self.webdriver.get(url)
+    #     logging.debug("finished getting url")
+        # # handle popup
+        # try:
+        #     logging.debug("waiting for cookie popup to appear")
+        #     # wait forpopup to appear
+        #     elem = WebDriverWait(
+        #         driver=self.webdriver,
+        #         timeout=60
+        #     ).until(
+        #         expected_conditions.presence_of_element_located(
+        #             (By.XPATH, "//*[text()='Decline optional cookies']")
+        #         )
+        #     )
+        #     logging.debug("located button")
+        # except TimeoutError:
+        #     logging.error("Timeout before cookie popup appeared.")
+        # else:
+        #     elem.click()
+        #     logging.debug("clicked button")
+
+    def get_image_url_list(self, url: str) -> list[str]:
+        """Get list of image urls from post."""
+        logging.debug('getting %s', url)
+        self.webdriver.get(url)
+        logging.debug('finished getting url')
+        # handle cookie popup
+        try:
+            logging.debug('waiting for cookie popup to appear')
+            # wait forpopup to appear
+            elem = WebDriverWait(
+                driver=self.webdriver,
+                timeout=60,
+            ).until(
+                expected_conditions.presence_of_element_located(
+                    (By.XPATH, "//*[text()='Decline optional cookies']"),
+                ),
+            )
+            logging.debug('located button')
+        except TimeoutError:
+            logging.error('Timeout before cookie popup appeared.')
+        else:
+            elem.click()
+            logging.debug('clicked button')
+        # find image elements with src url matching Instagram's CDN
+        img_elem_list = self.webdriver.find_elements(
+            by=By.XPATH,
+            value=(
+                "//article[@role='presentation']"
+                "//div[@role='presentation']"
+                "//img[contains(@src,'https://scontent.cdninstagram.com/v/')]"
+            ),
+        )
+        # extract src url
+        img_src_list = [
+            img_elem.get_attribute(
+                'src',
+            ) for img_elem in img_elem_list
+        ]
+        # remove src urls with size mathing profile images
+        img_src_list = [
+            img_src for img_src in img_src_list if 's150x150' not in img_src
+        ]
+        logging.debug('located %s image urls', len(img_src_list))
+        return img_src_list