FirestoreのGeoPoint型を使いこなす

Transcript

1. FirestoreͷGeoPointܕΛ࢖͍͜ͳ͢ ʙGeoFireXΛ࢖ͬͨҐஔ৘ใݕࡧʙ 2019/10/29 Firebase Meetup in Osaka #6 ͠Μ͛Μ
2. ࣗݾ঺հ -BSBWFM
   7VFKT
   'JSFCBTF
3. ձࣾ঺հ ߹ಉձࣾϊϚυϦ
   ૑ۀ
   ظ໨
   ैۀһ
   ໊
   8FCܥडୗ։ൃ
4. α΢φେ޷͖ʢि4೔Քಇʣ ࠷ۙɺ۝भ/P
   ౬Βͬ͘͢
   ߦ͖ͬͯ·ͨ͠ʂʂ
5. Firestore࢖ͬͯ·͢ʁ!
6. Firestoreͷಛ௃ • ϦΞϧλΠϜσʔλऔಘ • ΦϑϥΠϯαϙʔτ • ଟ༷ͳσʔλܕʢจࣈྻɺ਺஋ɺλΠϜελ ϯϓܕɺGeoPointܕͳͲʣ • O/RϚοϐϯάෆཁ
7. • Ґஔ৘ใʢҢ౓ͱܦ౓ʣΛอଘ͢Δσʔλܕ GeoPointܕͱ͸
8. • 1ΧϥϜͰҢ౓ͱܦ౓͕ѻ͑Δ GeoPointܕͱ͸
9. • ΫϥΠΞϯτ͔Β͸ΦϒδΣΫτͱͯ͠؆୯ ʹऔಘͰ͖Δ GeoPointܕͱ͸ Ң౓ ܦ౓
10. ·͋ɺҢ౓ܦ౓͕؆୯ʹѻ͑ͯ΋… ࣮༻తͳ࢖͍ํ͕஌Γ͍ͨʂ
11. ݱࡏ஍͔Β൒ܘ̋kmͷ஍఺Λ ݕࡧ͢Δػೳ
12. ࢖༻ͨ͠ϥΠϒϥϦ • ᶃ஍఺ొ࿥ • GoogleMaps Geocoding API • ngeohashʢҢ౓ܦ౓ΛϋογϡԽ͢Δʣ • ᶄ஍఺ݕࡧ • GeoFireX ※ https://github.com/codediodeio/geofirex
13. ᶃ஍఺ొ࿥ ॅॴ ٶ࡚ݝٶ࡚ࢢ٦௨౦ ᶃ Geocoding API Ң౓: 31.915439, ܦ౓: 131.42418 ᶄ ngeohash geohash: wvtmwdh0v
14. • ஍ٿ্ͷશ࠲ඪΛҢ౓ܦ౓Λ΋ͱʹϋογϡ Խͨ͠΋ͷʢ ྫ: wvtmwdh0v ʣ • 1~10ܻͰදݱ͞Εɺܻ਺͕େ͖͍ͱਫ਼౓͕ߴ ͍ • จࣈྻ͕ۙࣅͯ͠Δ΄Ͳೋ఺ؒڑ཭͕͍ۙ GeohashͬͯԿʁ
15. ᶄ஍఺ݕࡧ 
    ݱࡏ஍ͷ(FP'JSF1PJOUΦϒδΣΫτ
    DPOTU
    DFOUFS
    
    HFPpSFYQPJOU 
     
    
    ൒ܘLNҎ಺Λݕࡧൣғʹઃఆ
    DPOTU
    SBEJVT
    
    
    
    HFPIBTIͱHFPQPJOUܕͷϑΟʔϧυΛࢦఆ
    DPOTU
    pFME
    
    bMPDBUJPO`
16. ᶄ஍఺ݕࡧ 
    औಘ͢ΔίϨΫγϣϯΛࢦఆ
    DPOTU
    DPMMFDUJPO
    
    HFPpSFYDPMMFDUJPO bDMJOJDT` 
    
    DMJOJDTίϨΫγϣϯΛର৅ʹ
    
    ݱࡏ஍͔ΒLNҎ಺ͷ஍఺Λऔಘ͢Δ
    DPOTU
    DMJOJDT
    
    DPMMFDUJPOXJUIJO DFOUFS
    SBEJVT
    pFME 
    
17. • Firestore͸Ң౓ܦ౓ΛऔΓѻ͍΍͍͢ • ద੾ͳϥΠϒϥϦͱ૊Έ߹ΘͤΔ͜ͱͰ࣮༻ తͳػೳΛ࡞Δ͜ͱ͕Ͱ͖Δ ·ͱΊ
18. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ