esvapi: fetch all pages of search results

Fixes: https://todo.sr.ht/~jeremy/esv/1

esvapi.d

@@ -326,16 +326,45 @@ class ESVApi
 	 +
 	 + Example: search("It is finished")
 	 +/
-	char[]
-	search(in string query)
+	string
+	search(in string query) @trusted
 	{
-		return makeRequest("search/?q=" ~ query.tr(" ", "+"));
+		JSONValue[] pages, results;
+		JSONValue result;
+
+		JSONValue
+		makeQuery(long page)
+			=> parseJSON(makeRequest("search/?page-size=100"
+				~ "&page=" ~ page.to!string()
+				~ "&q=" ~ query.tr(" ", "+")));
+
+		pages ~= makeQuery(1);
+		if (pages[0]["total_pages"].integer == 1) {
+			result = JSONValue([
+				"results": pages[0]["results"],
+				"total": JSONValue(pages[0]["results"].array.length)
+			]);
+			return result.toString();
+		}
+
+		foreach (long i; 2 .. pages[0]["total_pages"].integer + 1) {
+			pages ~= makeQuery(i);
+		}
+		foreach (JSONValue page; pages) {
+			results ~= page["results"].array;
+		}
+
+		result = JSONValue([
+			"results": JSONValue(results),
+			"total": JSONValue(results.length)
+		]);
+		return result.toString();
 	}
 
 	/++
 	 + Calls search() and formats the results nicely as plain text.
 	 +/
-	char[]
+	string
 	searchFormat(alias fmt = "\033[1m%s\033[0m\n  %s\n")
 	(in string query, int lineLength = 0) /* 0 means default */
 	{
@@ -345,7 +374,7 @@ class ESVApi
 		resp = parseJSON(search(query));
 		layout = [];
 
-		enforce!ESVException(resp["total_results"].integer != 0,
+		enforce!ESVException(resp["total"].integer != 0,
 			"No results for search");
 
 		lineLength = lineLength == 0 ? 80 : lineLength;
@@ -360,7 +389,7 @@ class ESVApi
 			}
 		}();
 
-		return layout;
+		return layout.idup();
 	}
 
 	protected char[]