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3 changed files with 14 additions and 55 deletions

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@ -1,6 +1,3 @@
// Package config handles the configuration aspects of the KetoTrack application.
// It includes definitions and routines necessary for setting up and retrieving
// application configuration settings, such as data storage paths.
package config
import (
@ -8,23 +5,15 @@ import (
"path/filepath"
)
// AppConfig holds configuration details for the application. It currently
// only includes the path to the data storage location.
type AppConfig struct {
DataPath string
}
// Load initializes the application configuration by ensuring the required
// directories exist and setting the path for data storage. It creates a
// directory named ".ketotrack" in the user's home directory if it does not already
// exist, and sets the data path to "records.json" within this directory.
// The function loads these settings into an AppConfig instance and returns it.
func Load() AppConfig {
// TODO: Handle os.UserHomeDir errors
// TODO: Handle os.MkdirAll errors
// TODO: Handle os.MkdirAll error gracefully
homeDir, _ := os.UserHomeDir()
ketotrackDir := filepath.Join(homeDir, ".ketotrack")
os.MkdirAll(ketotrackDir, 0770)
os.MkdirAll(ketotrackDir, 0770) // handle error appropriately
return AppConfig{
DataPath: filepath.Join(ketotrackDir, "records.json"),
}

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@ -1,7 +1,3 @@
// Package data manages the loading, saving, and manipulation of application data
// pertaining to health tracking. It provides an abstraction layer over the storage
// mechanism used for persisting records and offers convenient methods to interact
// with the data.
package data
import (
@ -10,17 +6,12 @@ import (
"os"
)
// AppContext represents the application's data context, encapsulating the storage
// and management of health-related records. It provides mechanisms to load and save
// these records from a persistent storage.
// AppContext is the application data store that holds Records
type AppContext struct {
Records []model.Record
dataPath string
}
// NewContext initializes a new application data context with the specified data
// path. It attempts to load existing records from the provided data path, or
// initializes an empty context if the records do not exist.
func NewContext(dataPath string) (AppContext, error) {
ctx := AppContext{dataPath: dataPath}
err := ctx.LoadRecords()
@ -30,9 +21,7 @@ func NewContext(dataPath string) (AppContext, error) {
return ctx, nil
}
// LoadRecords loads the records from the data file specified in the AppContext.
// If the records file does not exist, it initializes an empty record list and
// saves it to create the file.
// LoadRecords will load records from file
func (ctx *AppContext) LoadRecords() error {
data, err := os.ReadFile(ctx.dataPath)
@ -48,9 +37,7 @@ func (ctx *AppContext) LoadRecords() error {
return json.Unmarshal(data, &ctx.Records)
}
// SaveRecords serializes the current records to JSON and writes them to the
// data path specified in the AppContext. It ensures data persistence with
// appropriate access permissions.
// SaveRecords will save records to a file
func (ctx *AppContext) SaveRecords() error {
jsonData, err := json.Marshal(ctx.Records)
if err != nil {
@ -59,14 +46,12 @@ func (ctx *AppContext) SaveRecords() error {
return os.WriteFile(ctx.dataPath, jsonData, 0660)
}
// AddReading appends a new Reading record to the AppContext. It updates the
// application context's records with the latest readings data.
// AddReading will add a Reading to the AppContext
func (ctx *AppContext) AddReading(reading model.Reading) {
ctx.Records = append(ctx.Records, model.Record{Reading: &reading})
}
// AddNote appends a new Note record to the AppContext. It updates the
// application context's records with the newly added note.
// AddNote will a add a Note to the AppContext
func (ctx *AppContext) AddNote(note model.Note) {
ctx.Records = append(ctx.Records, model.Record{Note: &note})
}

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@ -1,22 +1,14 @@
// Package model defines the data structures and associated functions used to represent
// and manipulate the health data in the application. This includes defining formats for data entries,
// calculations relevant to the metabolic tracking, and utilities for creating and handling these data
// structures. This package serves as the central definition point for all data used in the application.
package model
import "time"
// Note represents a text note marked with the time it was taken.
// This structure can be used to store and retrieve anecdotal information that
// may be relevant to the health data being tracked.
// Note holds a text note along with the time the note was taken.
type Note struct {
Time time.Time `json:"time"`
Text string `json:"text"`
}
// NewNote creates a new Note instance with the current time and the provided text.
// The function is a constructor for Note type, allowing quick instantiation with
// automated timestamping.
// NewNote returns a new Note
func NewNote(text string) Note {
return Note{
Time: time.Now(),
@ -24,20 +16,16 @@ func NewNote(text string) Note {
}
}
// Reading contains measurements for glucose and ketone levels taken at a specific time.
// Each Reading instance also calculates the Glucose Ketone Index (GKI),
// a key metric for managing metabolic health.
// Reading holds the glucose and ketone level measurements along with the time the measurements were taken.
type Reading struct {
Time time.Time `json:"time"`
Glucose float64 `json:"glucose"`
Ketone float64 `json:"ketone"`
GKI float64 `json:"gki"`
GKI float64 `json:"GKI"`
}
// NewReading creates a new Reading instance capturing the current time, glucose level,
// and ketone level. It also calculates the Glucose Ketone Index (GKI) based on the provided
// measurements. Glucose values should be in mg/dL and ketone levels in mmol/L.
// If the ketone level is zero, the GKI is set to zero to prevent division by zero.
// NewReading creates and returns a new Reading instance with the provided glucose and ketone levels, and records
// the current time. The glucose value should be provided in mg/dL, while the ketone level should be in mmol/L.
func NewReading(glucose, ketone float64) Reading {
var gki float64
if ketone == 0 {
@ -54,10 +42,7 @@ func NewReading(glucose, ketone float64) Reading {
}
}
// Record represents a container that can hold either a Reading or a Note, but not both.
// This type is used to conglomerate different types of entries in a unified format.
// Each Record uses JSON tags to properly encode or decode either a Reading or a Note,
// with omitted fields left out of the serialized form.
// Record holds a pointer to a Reading or Note.
type Record struct {
Reading *Reading `json:"reading,omitempty"`
Note *Note `json:"note,omitempty"`