Implement add_html

1 files changed, 158 insertions, 0 deletions

diff --git a/src/rss_html_common.c b/src/rss_html_common.c
new file mode 100644
index 0000000..56e1ccb
--- /dev/null
+++ b/src/rss_html_common.c
@@ -0,0 +1,158 @@
+#include "rss_html_common.h"
+#include "json.h"
+#include "fileutils.h"
+#include <string.h>
+#include <stdio.h>
+
+static void create_json_string(struct json_string_s *json_result, const char *str, int len) {
+    json_result->string = str;
+    json_result->string_size = len;
+}
+
+static void init_json_value_str(struct json_value_s *json_value, struct json_string_s *json_str) {
+    json_value->payload = json_str;
+    json_value->type = json_type_string;
+}
+
+int write_plugin_json_to_file(const char *dir, const char *filename, const char *url, const char *updated, const char *start_after, const char *start_after_url, const char *plugin_name) {
+    struct json_string_s title_json_key;
+    create_json_string(&title_json_key, "title", 5);
+
+    struct json_string_s title_json_value_str;
+    create_json_string(&title_json_value_str, start_after, start_after ? strlen(start_after) : 0);
+    struct json_value_s title_json_value;
+    init_json_value_str(&title_json_value, &title_json_value_str);
+
+    struct json_string_s time_json_key;
+    create_json_string(&time_json_key, "time", 4);
+
+    struct json_string_s time_value_str;
+    create_json_string(&time_value_str, updated, strlen(updated));
+    struct json_value_s time_json_value;
+    init_json_value_str(&time_json_value, &time_value_str);
+
+    struct json_string_s url_json_key;
+    create_json_string(&url_json_key, "url", 3);
+
+    struct json_string_s url_value_str;
+    create_json_string(&url_value_str, start_after_url, start_after_url ? strlen(start_after_url) : 0);
+    struct json_value_s url_json_value;
+    init_json_value_str(&url_json_value, &url_value_str);
+
+    struct json_string_s plugin_json_key;
+    create_json_string(&plugin_json_key, "plugin", 6);
+
+    struct json_string_s plugin_json_value_str;
+    create_json_string(&plugin_json_value_str, plugin_name, plugin_name ? strlen(plugin_name) : 0);
+    struct json_value_s plugin_json_value;
+    init_json_value_str(&plugin_json_value, &plugin_json_value_str);
+
+    struct json_string_s link_json_key;
+    create_json_string(&link_json_key, "link", 4);
+
+    struct json_string_s link_json_value_str;
+    create_json_string(&link_json_value_str, url, strlen(url));
+    struct json_value_s link_json_value;
+    init_json_value_str(&link_json_value, &link_json_value_str);
+
+    struct json_string_s updated_json_key;
+    create_json_string(&updated_json_key, "updated", 7);
+
+    struct json_string_s updated_json_value_str;
+    create_json_string(&updated_json_value_str, updated, strlen(updated));
+    struct json_value_s updated_json_value;
+    init_json_value_str(&updated_json_value, &updated_json_value_str);
+
+    struct json_string_s downloaded_json_key;
+    create_json_string(&downloaded_json_key, "downloaded", 10);
+
+    struct json_object_s downloaded_json;
+    downloaded_json.start = NULL;
+    downloaded_json.length = 0;
+
+    struct json_value_s downloaded_json_value;
+    downloaded_json_value.payload = &downloaded_json;
+    downloaded_json_value.type = json_type_object;
+
+    struct json_object_element_s downloaded_title_element;
+    downloaded_title_element.name = &title_json_key;
+    downloaded_title_element.value = &title_json_value;
+
+    struct json_object_element_s downloaded_time_element;
+    downloaded_time_element.name = &time_json_key;
+    downloaded_time_element.value = &time_json_value;
+
+    struct json_object_element_s downloaded_url_element;
+    downloaded_url_element.name = &url_json_key;
+    downloaded_url_element.value = &url_json_value;
+
+    downloaded_title_element.next = &downloaded_time_element;
+    downloaded_time_element.next = &downloaded_url_element;
+    downloaded_url_element.next = NULL;
+
+    struct json_array_s downloaded_json_array;
+    downloaded_json_array.start = NULL;
+    downloaded_json_array.length = 0;
+    struct json_array_element_s downloaded_json_array_element;
+
+    if(start_after) {
+        downloaded_json.start = &downloaded_title_element;
+        downloaded_json.length = 3;
+
+        downloaded_json_array_element.value = &downloaded_json_value;
+        downloaded_json_array_element.next = NULL;
+        downloaded_json_array.start = &downloaded_json_array_element;
+        downloaded_json_array.length = 1;
+    }
+
+    struct json_value_s downloaded_json_array_value;
+    downloaded_json_array_value.payload = &downloaded_json_array;
+    downloaded_json_array_value.type = json_type_array;
+
+    struct json_object_s json_root;
+    json_root.length = 3;
+    
+    struct json_object_element_s link_element;
+    link_element.name = &link_json_key;
+    link_element.value = &link_json_value;
+
+    struct json_object_element_s updated_element;
+    updated_element.name = &updated_json_key;
+    updated_element.value = &updated_json_value;
+
+    struct json_object_element_s downloaded_element;
+    downloaded_element.name = &downloaded_json_key;
+    downloaded_element.value = &downloaded_json_array_value;
+
+    struct json_object_element_s plugin_element;
+    plugin_element.name = &plugin_json_key;
+    plugin_element.value = &plugin_json_value;
+
+    link_element.next = &updated_element;
+    updated_element.next = &downloaded_element;
+    downloaded_element.next = NULL;
+
+    if(plugin_name) {
+        json_root.start = &plugin_element;
+        plugin_element.next = &link_element;
+    } else {
+        json_root.start = &link_element;
+    }
+
+    struct json_value_s json_root_value;
+    json_root_value.payload = &json_root;
+    json_root_value.type = json_type_object;
+    size_t json_body_size = 0;
+    char *json_body_str = json_write_pretty(&json_root_value, "    ", "\n", &json_body_size);
+    if(!json_body_str || json_body_size == 0) {
+        fprintf(stderr, "Failed to write json data to file %s/%s\n", dir, filename);
+        return -1;
+    }
+
+    /* Workaround json bug (?) */
+    json_body_size = strlen(json_body_str);
+
+    int result = file_overwrite_in_dir(dir, filename, json_body_str, json_body_size);
+    free(json_body_str);
+    return result;
+}
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