You are currently viewing Formatting of class in Open Event Android App

Formatting of class in Open Event Android App is an util class in Open Event Android App which comprises of all the required date manipulation functionalities required by the application to parse the dates from the api given in ISO8601 format. Previous implementation of the class consisted of functions which needed multiple lines of function call in the main code. Due to this reason the util class was formatted in a way so that the function call can be simplified and improve the quality of our codebase.

1. Previous Implementation of class

The previous implementation of the class had a number of functions needed for date manipulations in it. However when we used to call them in the code they used to take up several lines which demonstrated that we didn’t use the possibility of an util class to the best of our utilization.

An example illustrating this fact is given below:

Example 1: (In

String date = ISO8601Date.getTimeZoneDateString(ISO8601Date.getDateObject(session.getStartTime())).split(",")[0] + "," +ISO8601Date.getTimeZoneDateString(ISO8601Date.getDateObject(session.getStartTime())).split(",")[1];

The principal case is from class where we are utilizing the util class for finding the start time. It can be perceived how various lines including the split functions are utilized for the date manipulation.

2. Current Implementation of class

The factors taken into account for the current implementation of the util class were:

  1. To ensure we write generic functions which can be used in multiple places in the app.
  2. The calling of the function is enough to do what is required.

These factors were the key points for rewriting the util class and ensuring the class is easy to use with enough commenting to explain what was going on in each function.  The idea was to write all the complex function calling code within the function itself.

With the present execution of the class the codebase got more basic as for each situation a straightforward one line call was sufficient to give the output we needed as demonstrated below:

Example 1: (In

String date = ISO8601Date.getDateFromStartDateString(session.getStartTime());

Example 2: (In

String startTime = ISO8601Date.getTimeFromStartDateString(session.getStartTime());

The advantage now is, whenever we have to use a new function related to date manipulation we simply have to create one in the util class and provide a simple one line way of calling it in our main code to make the codebase look straightforward. The examples shown above are the same ones which were illustrated before. The multiple lines which they took for calling of a function didn’t make the util class to the best of our use. As we can see with current examples, the new class ensured the function handled the complex stuff within itself without delegating it to the main code.

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